---
title: hammerhead — school dictionary · trees and pragmatics
description: «hammerhead» in the school dictionary: A hammerhead (or hammerhead shark) is a shark whose head is wide and flat, shaped like the letter T or a hammer, with an eye at each end. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# hammerhead

<!-- .vintro -->
**Who acts:** hammerhead, head, you, hammerhead shark, Hammerheads, Divers · **What happens:** be, shape, hit, have, hunt, see · **To what, where:** shark, heavy metal part, African wading bird, eyes, ends, stingrays

<!-- .vabout -->
«hammerhead» in the school dictionary: its 3 meanings for a pupil and its 8 examples, every sentence parsed by Mova itself — its syntax tree, a dependency tree in the style of Universal Dependencies, and its pragmatics clause by clause. The word in the dictionary, with its sense in the lessons: [hammerhead in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/hammerhead.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
A hammerhead (or hammerhead shark) is a shark whose head is wide and flat, shaped like the letter T or a hammer, with an eye at each end.

<!-- fold The tree, 28 words -->
```conllu
# sent_id = dict:school:hammerhead:m1:1
# text = A hammerhead (or hammerhead shark) is a shark whose head is wide and flat, shaped like the letter T or a hammer, with an eye at each end.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	hammerhead	hammerhead	NOUN	NN	Number=Sing	10	nsubj	_	_
3	(	(	PUNCT	-LRB-	_	6	punct	_	SpaceAfter=No
4	or	or	CCONJ	CC	_	6	cc	_	_
5	hammerhead	hammerhead	NOUN	NN	Number=Sing	6	compound	_	_
6	shark	shark	NOUN	NN	Number=Sing	2	appos	_	SpaceAfter=No
7	)	)	PUNCT	-RRB-	_	6	punct	_	_
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	shark	shark	NOUN	NN	Number=Sing	0	root	_	_
11	whose	whose	PRON	WP$	Poss=Yes|PronType=Rel	12	nmod:poss	_	_
12	head	head	NOUN	NN	Number=Sing	14	nsubj	_	_
13	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	cop	_	_
14	wide	wide	ADJ	JJ	Degree=Pos	10	acl:relcl	_	_
15	and	and	CCONJ	CC	_	16	cc	_	_
16	flat	flat	ADJ	JJ	Degree=Pos	14	conj	_	SpaceAfter=No
17	,	,	PUNCT	,	_	18	punct	_	_
18	shaped	shape	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	14	advcl	_	_
19	like	like	ADP	IN	_	22	case	_	_
20	the	the	DET	DT	Definite=Def|PronType=Art	22	det	_	_
21	letter	letter	NOUN	NN	Number=Sing	22	compound	_	_
22	T	t	NOUN	NN	Number=Sing	18	obl	_	_
23	or	or	CCONJ	CC	_	25	cc	_	_
24	a	a	DET	DT	Definite=Ind|PronType=Art	25	det	_	_
25	hammer	hammer	NOUN	NN	Number=Sing	22	conj	_	SpaceAfter=No
26	,	,	PUNCT	,	_	29	punct	_	_
27	with	with	ADP	IN	_	29	case	_	_
28	an	a	DET	DT	Definite=Ind|PronType=Art	29	det	_	_
29	eye	eye	NOUN	NN	Number=Sing	18	obl	_	_
30	at	at	ADP	IN	_	32	case	_	_
31	each	each	DET	DT	PronType=Tot	32	det	_	_
32	end	end	NOUN	NN	Number=Sing	29	nmod	_	SpaceAfter=No
33	.	.	PUNCT	.	_	10	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a hammerhead | a shark |  |  |  |  | tree rules |
| 2 | **is** | present | head |  |  |  |  | wide *property* | tree rules |
| 3 | **be** |  | head *not said here* |  |  |  |  |  | tree rules |
| 4 | **shape** | participle | head *not said here* |  |  |  |  | like the letter T or a hammer; with a eye at each end | vn build-26.1-1 «NP.asset V NP»: agent=Asset |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

## Meaning 2 {#m2}

<!-- .ven lang=en -->
The head of a hammer, the heavy metal part you hit with.

```conllu
# sent_id = dict:school:hammerhead:m2:1
# text = The head of a hammer, the heavy metal part you hit with.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	head	head	NOUN	NN	Number=Sing	10	nsubj	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	hammer	hammer	NOUN	NN	Number=Sing	2	nmod	_	SpaceAfter=No
6	,	,	PUNCT	,	_	10	punct	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
8	heavy	heavy	ADJ	JJ	Degree=Pos	10	amod	_	_
9	metal	metal	NOUN	NN	Number=Sing	10	compound	_	_
10	part	part	NOUN	NN	Number=Sing	0	root	_	_
11	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	12	nsubj	_	_
12	hit	hit	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	10	acl:relcl	_	_
13	with	with	ADP	IN	_	12	obl	_	SpaceAfter=No
14	.	.	PUNCT	.	_	10	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hit** | present | you | the heavy metal part *not said here* |  |  |  |  | vn contiguous\_location-47.8-1 «NP V NP»: agent=Theme part=Co-Theme |

## Meaning 3 {#m3}

<!-- .ven lang=en -->
A hammerhead (hamerkop) is also an African wading bird with a crest at the back of its head.

<!-- fold The tree, 18 words -->
```conllu
# sent_id = dict:school:hammerhead:m3:1
# text = A hammerhead (hamerkop) is also an African wading bird with a crest at the back of its head.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	hammerhead	hammerhead	NOUN	NN	Number=Sing	11	nsubj	_	_
3	(	(	PUNCT	-LRB-	_	4	punct	_	SpaceAfter=No
4	hamerkop	hamerkop	NOUN	NN	Number=Sing	2	appos	_	SpaceAfter=No
5	)	)	PUNCT	-RRB-	_	4	punct	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	_	_
7	also	also	ADV	RB	_	11	advmod	_	_
8	an	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
9	African	African	ADJ	JJ	Degree=Pos	11	amod	_	_
10	wading	wading	NOUN	NN	Number=Sing	11	compound	_	_
11	bird	bird	NOUN	NN	Number=Sing	0	root	_	_
12	with	with	ADP	IN	_	14	case	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	crest	crest	NOUN	NN	Number=Sing	11	nmod	_	_
15	at	at	ADP	IN	_	17	case	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
17	back	back	NOUN	NN	Number=Sing	14	nmod	_	_
18	of	of	ADP	IN	_	20	case	_	_
19	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	20	nmod:poss	_	_
20	head	head	NOUN	NN	Number=Sing	17	nmod	_	SpaceAfter=No
21	.	.	PUNCT	.	_	11	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a hammerhead | a African wading bird |  |  |  | with a crest at the back of hammerhead's head | tree rules |

## Example 1 {#x1}

<!-- .ven lang=en -->
The hammerhead shark has eyes at both ends of its head.

```conllu
# sent_id = dict:school:hammerhead:x1:1
# text = The hammerhead shark has eyes at both ends of its head.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	hammerhead	hammerhead	NOUN	NN	Number=Sing	3	compound	_	_
3	shark	shark	NOUN	NN	Number=Sing	4	nsubj	_	_
4	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	eyes	eye	NOUN	NNS	Number=Plur	4	obj	_	_
6	at	at	ADP	IN	_	8	case	_	_
7	both	both	DET	DT	PronType=Tot	8	det	_	_
8	ends	end	NOUN	NNS	Number=Plur	4	obl	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
11	head	head	NOUN	NN	Number=Sing	8	nmod	_	SpaceAfter=No
12	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | the hammerhead shark | eyes |  |  | at both ends of shark's head |  | vn birth-28.2-1 «NP V NP»: agent=Agent eye=Patient |

## Example 2 {#x2}

<!-- .ven lang=en -->
Hammerheads hunt stingrays on the sea floor.

```conllu
# sent_id = dict:school:hammerhead:x2:1
# text = Hammerheads hunt stingrays on the sea floor.
1	Hammerheads	hammerhead	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	hunt	hunt	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	stingrays	stingray	NOUN	NNS	Number=Plur	2	obj	_	_
4	on	on	ADP	IN	_	7	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	sea	sea	NOUN	NN	Number=Sing	7	compound	_	_
7	floor	floor	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
8	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hunt** | present | Hammerheads | stingrays |  | the sea floor |  |  | vn hunt-35.1 «NP V NP PP.location»: agent=Agent stingray=Theme on floor=Location |

## Example 3 {#x3}

<!-- .ven lang=en -->
Divers saw a school of hammerheads.

```conllu
# sent_id = dict:school:hammerhead:x3:1
# text = Divers saw a school of hammerheads.
1	Divers	diver	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	saw	see	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	school	school	NOUN	NN	Number=Sing	2	obj	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	hammerheads	hammerhead	NOUN	NNS	Number=Plur	4	nmod	_	SpaceAfter=No
7	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **see** | past | Divers | a school of hammerheads |  |  |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer school=Stimulus |

## Example 4 {#x4}

<!-- .ven lang=en -->
A hammerhead can sense the electricity made by hidden fish.

```conllu
# sent_id = dict:school:hammerhead:x4:1
# text = A hammerhead can sense the electricity made by hidden fish.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	hammerhead	hammerhead	NOUN	NN	Number=Sing	4	nsubj	_	_
3	can	can	AUX	MD	VerbForm=Fin	4	aux	_	_
4	sense	sense	VERB	VB	VerbForm=Inf	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	electricity	electricity	NOUN	NN	Number=Sing	4	obj	_	_
7	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
8	by	by	ADP	IN	_	10	case	_	_
9	hidden	hidden	ADJ	JJ	Degree=Pos	10	amod	_	_
10	fish	fish	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
11	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sense** | can | a hammerhead | the electricity |  |  |  |  | vn see-30.1-1 «NP V S»: agent=Experiencer electricity=Stimulus |
| 2 | **make** | participle |  | the electricity *not said here* |  |  |  | by hidden fish | vn build-26.1-1 «NP.asset V NP»: agent=Asset |

## Example 5 {#x5}

<!-- .ven lang=en -->
The great hammerhead is the biggest kind.

```conllu
# sent_id = dict:school:hammerhead:x5:1
# text = The great hammerhead is the biggest kind.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	great	great	ADJ	JJ	Degree=Pos	3	amod	_	_
3	hammerhead	hammerhead	NOUN	NN	Number=Sing	7	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	biggest	big	ADJ	JJS	Degree=Sup	7	amod	_	_
7	kind	kind	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
8	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | the great hammerhead | the biggest kind |  |  |  |  | tree rules |

## Example 6 {#x6}

<!-- .ven lang=en -->
Many hammerheads are caught for their fins.

```conllu
# sent_id = dict:school:hammerhead:x6:1
# text = Many hammerheads are caught for their fins.
1	Many	many	ADJ	JJ	Degree=Pos	2	amod	_	_
2	hammerheads	hammerhead	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	caught	catch	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	for	for	ADP	IN	_	7	case	_	_
6	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	fins	fin	NOUN	NNS	Number=Plur	4	obl	_	SpaceAfter=No
8	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **catch** | present · passive |  | Many hammerheads |  |  |  | for hammerheads's fins | vn get-13.5.1 «NP V NP PP.beneficiary»: subject=Theme for fin=Beneficiary |

## Example 7 {#x7}

<!-- .ven lang=en -->
The hammerhead's head is wide like a T.

```conllu
# sent_id = dict:school:hammerhead:x7:1
# text = The hammerhead's head is wide like a T.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	hammerhead	hammerhead	NOUN	NN	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	head	head	NOUN	NN	Number=Sing	9	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
6	wide	wide	ADV	RB	_	9	advmod	_	_
7	like	like	ADP	IN	_	9	case	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	T.	T.	PROPN	NNP	Number=Sing	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the hammerhead's head |  |  |  |  | like a T.; wide *property* | tree rules |

## Example 8 {#x8}

<!-- .ven lang=en -->
The metal hammerhead came loose from the wooden handle.

```conllu
# sent_id = dict:school:hammerhead:x8:1
# text = The metal hammerhead came loose from the wooden handle.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	metal	metal	NOUN	NN	Number=Sing	3	compound	_	_
3	hammerhead	hammerhead	NOUN	NN	Number=Sing	4	nsubj	_	_
4	came	come	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
5	loose	loose	ADV	RB	_	4	advmod	_	_
6	from	from	ADP	IN	_	9	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	wooden	wooden	ADJ	JJ	Degree=Pos	9	amod	_	_
9	handle	handle	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **come** | past | the metal hammerhead |  |  | the wooden handle |  | loose *property* | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme from handle=Initial\_Location |

<!-- div src -->

**Text:** the school dictionary of Mova's schools (`world/data/dictionary-schools/`), written for Mova. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each meaning and example read on its own. Elamur Cosmic License.

<!-- /div -->

<!-- pn -->
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