---
title: hydra — school dictionary · trees and pragmatics
description: «hydra» in the school dictionary: A monster from Greek stories: a huge snake with many heads, where cutting one off lets more grow. Also a tiny water creature. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# hydra

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**Who acts:** cutting, hero, hydra · **What happens:** cut off, let, grow, have, slay · **To what, where:** one, hydra, nine heads

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«hydra» in the school dictionary: its meaning for a pupil and its 2 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: [hydra in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/hydra.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
A monster from Greek stories: a huge snake with many heads, where cutting one off lets more grow. Also a tiny water creature.

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*Sentence 1:* A monster from Greek stories: a huge snake with many heads, where cutting one off lets more grow.

<!-- fold The tree, 18 words -->
```conllu
# sent_id = dict:school:hydra:m1:1
# text = A monster from Greek stories: a huge snake with many heads, where cutting one off lets more grow.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	monster	monster	NOUN	NN	Number=Sing	9	nsubj	_	_
3	from	from	ADP	IN	_	5	case	_	_
4	Greek	Greek	ADJ	JJ	Degree=Pos	5	amod	_	_
5	stories	story	NOUN	NNS	Number=Plur	2	nmod	_	SpaceAfter=No
6	:	:	PUNCT	:	_	9	punct	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	huge	huge	ADJ	JJ	Degree=Pos	9	amod	_	_
9	snake	snake	NOUN	NN	Number=Sing	0	root	_	_
10	with	with	ADP	IN	_	12	case	_	_
11	many	many	ADJ	JJ	Degree=Pos	12	amod	_	_
12	heads	head	NOUN	NNS	Number=Plur	9	nmod	_	SpaceAfter=No
13	,	,	PUNCT	,	_	18	punct	_	_
14	where	where	ADV	WRB	PronType=Rel	18	advmod	_	_
15	cutting	cut	VERB	VBG	VerbForm=Ger	18	csubj	_	_
16	one	one	NUM	CD	NumForm=Word|NumType=Card	15	obj	_	_
17	off	off	ADP	RP	_	15	compound:prt	_	_
18	lets	let	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	parataxis	_	_
19	more	more	ADV	RBR	Degree=Cmp	18	advmod	_	_
20	grow	grow	VERB	VB	VerbForm=Inf	18	xcomp	_	SpaceAfter=No
21	.	.	PUNCT	.	_	9	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cut off** | gerund |  | one |  |  |  |  | vn stop-55.4-1 «NP V NP.eventuality»: agent=Affector one=Eventuality |
| 2 | **let** | present | cutting |  |  |  |  |  | tree rules |
| 3 | **grow** | infinitive | cutting *not said here* |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |

<!-- .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.

<!-- .note -->
*Sentence 2:* Also a tiny water creature.

```conllu
# sent_id = dict:school:hydra:m1:2
# text = Also a tiny water creature.
1	Also	also	ADV	RB	_	5	advmod	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
3	tiny	tiny	ADJ	JJ	Degree=Pos	5	amod	_	_
4	water	water	NOUN	NN	Number=Sing	5	compound	_	_
5	creature	creature	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
6	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

## Example 1 {#x1}

<!-- .ven lang=en -->
The hero had to slay the hydra.

```conllu
# sent_id = dict:school:hydra:x1:1
# text = The hero had to slay the hydra.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	hero	hero	NOUN	NN	Number=Sing	3	nsubj	_	_
3	had	have	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	slay	slay	VERB	VB	VerbForm=Inf	3	xcomp	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	hydra	hydra	NOUN	NN	Number=Sing	5	obj	_	SpaceAfter=No
8	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | past | the hero |  |  |  |  |  | tree rules |
| 2 | **slay** | to-infinitive | the hero *not said here* | the hydra |  |  |  |  | vn murder-42.1 «NP V NP»: agent=Agent hydra=Patient |

## Example 2 {#x2}

<!-- .ven lang=en -->
The hydra had nine heads.

```conllu
# sent_id = dict:school:hydra:x2:1
# text = The hydra had nine heads.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	hydra	hydra	NOUN	NN	Number=Sing	3	nsubj	_	_
3	had	have	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	nine	nine	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
5	heads	head	NOUN	NNS	Number=Plur	3	obj	_	SpaceAfter=No
6	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | past | the hydra | nine heads |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent head=Patient |

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**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.

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