---
title: dimetrodon — school dictionary · trees and pragmatics
description: «dimetrodon» in the school dictionary: A large animal with a tall sail on its back that lived about 295 to 272 million years ago, before the dinosaurs. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# dimetrodon

<!-- .vintro -->
**Who acts:** tall sail, Dimetrodon, It, sail, We · **What happens:** live, have, not be, call, be, help · **To what, where:** big sail, back, dinosaur, meat eater, dimetrodon, dimetrodon fossil · **Speech:** someone speaks here

<!-- .vabout -->
«dimetrodon» in the school dictionary: its meaning for a pupil and its 6 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: [dimetrodon in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dimetrodon.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
A large animal with a tall sail on its back that lived about 295 to 272 million years ago, before the dinosaurs.

<!-- fold The tree, 22 words -->
```conllu
# sent_id = dict:school:dimetrodon:m1:1
# text = A large animal with a tall sail on its back that lived about 295 to 272 million years ago, before the dinosaurs.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	large	large	ADJ	JJ	Degree=Pos	3	amod	_	_
3	animal	animal	NOUN	NN	Number=Sing	0	root	_	_
4	with	with	ADP	IN	_	7	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	tall	tall	ADJ	JJ	Degree=Pos	7	amod	_	_
7	sail	sail	NOUN	NN	Number=Sing	3	nmod	_	_
8	on	on	ADP	IN	_	10	case	_	_
9	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
10	back	back	NOUN	NN	Number=Sing	7	nmod	_	_
11	that	that	PRON	WDT	PronType=Rel	12	nsubj	_	_
12	lived	live	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	7	acl:relcl	_	_
13	about	about	ADV	RB	_	14	advmod	_	_
14	295	295	NUM	CD	NumForm=Digit|NumType=Card	17	compound	_	_
15	to	to	ADP	IN	_	16	case	_	_
16	272	272	NUM	CD	NumForm=Digit|NumType=Card	14	nmod	_	_
17	million	million	NUM	CD	NumForm=Word|NumType=Card	18	nummod	_	_
18	years	year	NOUN	NNS	Number=Plur	19	obl:unmarked	_	_
19	ago	ago	ADV	RB	_	12	advmod	_	SpaceAfter=No
20	,	,	PUNCT	,	_	23	punct	_	_
21	before	before	ADP	IN	_	23	case	_	_
22	the	the	DET	DT	Definite=Def|PronType=Art	23	det	_	_
23	dinosaurs	dinosaur	NOUN	NNS	Number=Plur	12	obl	_	SpaceAfter=No
24	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **live** | past | a tall sail on sail's back |  |  |  | before the dinosaurs | ago *property* | vn exist-47.1-1 «NP V PP.location»: agent=Theme before dinosaur=Location |

<!-- .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.

## Example 1 {#x1}

<!-- .ven lang=en -->
Dimetrodon had a big sail on its back.

```conllu
# sent_id = dict:school:dimetrodon:x1:1
# text = Dimetrodon had a big sail on its back.
1	Dimetrodon	Dimetrodon	PROPN	NNP	Number=Sing	2	nsubj	_	_
2	had	have	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	big	big	ADJ	JJ	Degree=Pos	5	amod	_	_
5	sail	sail	NOUN	NN	Number=Sing	2	obj	_	_
6	on	on	ADP	IN	_	8	case	_	_
7	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
8	back	back	NOUN	NN	Number=Sing	5	nmod	_	SpaceAfter=No
9	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | past | Dimetrodon | a big sail |  | sail's back |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent sail=Patient |

## Example 2 {#x2}

<!-- .ven lang=en -->
Dimetrodon lived before the dinosaurs.

```conllu
# sent_id = dict:school:dimetrodon:x2:1
# text = Dimetrodon lived before the dinosaurs.
1	Dimetrodon	Dimetrodon	PROPN	NNP	Number=Sing	2	nsubj	_	_
2	lived	live	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	before	before	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	dinosaurs	dinosaur	NOUN	NNS	Number=Plur	2	obl	_	SpaceAfter=No
6	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **live** | past | Dimetrodon |  |  |  | before the dinosaurs |  | vn exist-47.1-1 «NP V PP.location»: agent=Theme before dinosaur=Location |

## Example 3 {#x3}

<!-- .ven lang=en -->
It was not a dinosaur, though it is often called one.

```conllu
# sent_id = dict:school:dimetrodon:x3:1
# text = It was not a dinosaur, though it is often called one.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	cop	_	_
3	not	not	PART	RB	Polarity=Neg	5	advmod	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	dinosaur	dinosaur	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
6	,	,	PUNCT	,	_	11	punct	_	_
7	though	though	SCONJ	IN	_	11	mark	_	_
8	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	11	nsubj:pass	_	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	aux:pass	_	_
10	often	often	ADV	RB	_	11	advmod	_	_
11	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	parataxis	_	_
12	one	one	NUM	CD	NumForm=Word|NumType=Card	11	obj	_	SpaceAfter=No
13	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **is a** | past | It | a dinosaur |  |  |  |  | tree rules |
| 2 | **call** | present · passive |  | dinosaur |  |  |  | often *property* | vn dub-29.3.2 «NP V NP NP»: subject=Theme one=Result |

## Example 4 {#x4}

<!-- .ven lang=en -->
Dimetrodon was a meat eater.

```conllu
# sent_id = dict:school:dimetrodon:x4:1
# text = Dimetrodon was a meat eater.
1	Dimetrodon	Dimetrodon	PROPN	NNP	Number=Sing	5	nsubj	_	_
2	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	meat	meat	NOUN	NN	Number=Sing	5	compound	_	_
5	eater	eater	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
6	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | past | Dimetrodon | a meat eater |  |  |  |  | tree rules |

## Example 5 {#x5}

<!-- .ven lang=en -->
The sail may have helped dimetrodon stay warm.

```conllu
# sent_id = dict:school:dimetrodon:x5:1
# text = The sail may have helped dimetrodon stay warm.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	sail	sail	NOUN	NN	Number=Sing	5	nsubj	_	_
3	may	may	AUX	MD	VerbForm=Fin	5	aux	_	_
4	have	have	AUX	VB	VerbForm=Inf	5	aux	_	_
5	helped	help	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	_
6	dimetrodon	dimetrodon	NOUN	NN	Number=Sing	5	obj	_	_
7	stay	stay	VERB	VB	VerbForm=Inf	5	xcomp	_	_
8	warm	warm	ADJ	JJ	Degree=Pos	7	xcomp	_	SpaceAfter=No
9	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | may · perfect | the sail | dimetrodon |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent dimetrodon=Beneficiary clause=Theme |
| 2 | **stay** | infinitive | dimetrodon *not said here* |  |  |  |  | warm *property* | vn exist-47.1 «NP V»: agent=Theme |

## Example 6 {#x6}

<!-- .ven lang=en -->
We saw a dimetrodon fossil in the museum.

```conllu
# sent_id = dict:school:dimetrodon:x6:1
# text = We saw a dimetrodon fossil in the museum.
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	_	_
2	saw	see	VERB	VBD	Mood=Ind|Number=Plur|Person=1|Tense=Past|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	dimetrodon	dimetrodon	NOUN	NN	Number=Sing	5	compound	_	_
5	fossil	fossil	NOUN	NN	Number=Sing	2	obj	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	museum	museum	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	2	punct	_	_
```

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

<!-- 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 -->

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