---
title: radar — school dictionary · trees and pragmatics
description: «radar» in the school dictionary: Radar is a system that sends out radio waves and catches them when they bounce back, to find where planes, ships, storms or cars are and how fast they move. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# radar

<!-- .vintro -->
**Who acts:** Radar, system, waves, planes, they, traffic controllers · **What happens:** be, send out, catch, bounce back, find, move · **To what, where:** system, radio waves, waves, radar, attention, planes · **Speech:** someone speaks here

<!-- .vabout -->
«radar» in the school dictionary: its 2 meanings 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: [radar in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/radar.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
Radar is a system that sends out radio waves and catches them when they bounce back, to find where planes, ships, storms or cars are and how fast they move.

<!-- fold The tree, 30 words -->
```conllu
# sent_id = dict:school:radar:m1:1
# text = Radar is a system that sends out radio waves and catches them when they bounce back, to find where planes, ships, storms or cars are and how fast they move.
1	Radar	radar	NOUN	NN	Number=Sing	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	system	system	NOUN	NN	Number=Sing	0	root	_	_
5	that	that	PRON	WDT	PronType=Rel	6	nsubj	_	_
6	sends	send	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	acl:relcl	_	_
7	out	out	ADP	RP	_	6	compound:prt	_	_
8	radio	radio	NOUN	NN	Number=Sing	9	compound	_	_
9	waves	wave	NOUN	NNS	Number=Plur	6	obj	_	_
10	and	and	CCONJ	CC	_	11	cc	_	_
11	catches	catch	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	conj	_	_
12	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	11	obj	_	_
13	when	when	ADV	WRB	PronType=Int	15	advmod	_	_
14	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	15	nsubj	_	_
15	bounce	bounce	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	11	conj	_	_
16	back	back	ADV	RB	_	15	advmod	_	SpaceAfter=No
17	,	,	PUNCT	,	_	19	punct	_	_
18	to	to	PART	TO	_	19	mark	_	_
19	find	find	VERB	VB	VerbForm=Inf	15	advcl	_	_
20	where	where	ADV	WRB	PronType=Rel	31	advmod	_	_
21	planes	plane	NOUN	NNS	Number=Plur	31	nsubj	_	SpaceAfter=No
22	,	,	PUNCT	,	_	23	punct	_	_
23	ships	ship	NOUN	NNS	Number=Plur	21	conj	_	SpaceAfter=No
24	,	,	PUNCT	,	_	25	punct	_	_
25	storms	storm	NOUN	NNS	Number=Plur	21	conj	_	_
26	or	or	CCONJ	CC	_	27	cc	_	_
27	cars	car	NOUN	NNS	Number=Plur	21	conj	_	_
28	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	31	cop	_	_
29	and	and	CCONJ	CC	_	31	cc	_	_
30	how	how	ADV	WRB	PronType=Int	31	advmod	_	_
31	fast	fast	ADV	RB	Degree=Pos	33	advmod	_	_
32	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	33	nsubj	_	_
33	move	move	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	19	ccomp	_	SpaceAfter=No
34	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Radar | a system |  |  |  |  | tree rules |
| 2 | **send out** | present | a system | radio waves |  |  |  |  | vn confine-92-1 «NP V NP»: agent=Agent wave=Theme |
| 3 | **catch** | present | a system *not said here* | waves *= wave* |  |  |  |  | vn get-13.5.1 «NP V NP»: agent=Agent they=Theme |
| 4 | **bounce back** | present | waves *= wave* |  |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |
| 5 | **find** | to-infinitive | waves *= wave* *not said here* |  |  |  |  |  | vn declare-29.4-1-1 «NP V what S\_INF»: agent=Agent clause=Theme |
| 6 | **is** | present | planes and ships and storms or cars |  |  |  |  | fast *property* | tree rules |
| 7 | **move** | present | planes *= plane* |  |  |  |  |  | vn roll-51.3.1 «NP.theme 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.

## Meaning 2 {#m2}

<!-- .ven lang=en -->
«On someone's radar» means they know about it or are paying attention to it.

<!-- fold The tree, 15 words -->
```conllu
# sent_id = dict:school:radar:m2:1
# text = «On someone's radar» means they know about it or are paying attention to it.
1	«	«	PUNCT	``	_	7	punct	_	SpaceAfter=No
2	On	on	ADP	IN	_	5	case	_	_
3	someone	someone	PRON	NN	Number=Sing|PronType=Ind	5	nmod:poss	_	SpaceAfter=No
4	's	's	PART	POS	_	3	case	_	_
5	radar	radar	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
6	»	»	PUNCT	''	_	5	punct	_	_
7	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	9	nsubj	_	_
9	know	know	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	ccomp	_	_
10	about	about	ADP	IN	_	11	case	_	_
11	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	9	obl	_	_
12	or	or	CCONJ	CC	_	14	cc	_	_
13	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	14	aux	_	_
14	paying	pay	VERB	VBG	Tense=Pres|VerbForm=Part	9	conj	_	_
15	attention	attention	NOUN	NN	Number=Sing	14	obj	_	_
16	to	to	ADP	IN	_	17	case	_	_
17	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	obl	_	SpaceAfter=No
18	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **mean** | present |  |  |  | someone's radar |  |  | vn intend-61.2-1 «NP V S»: agent=Agent clause=Topic |
| 2 | **know** | present | they |  |  |  |  | about radar | vn comprehend-87.2-1-1-1 «NP V PP.stimulus»: agent=Experiencer about it=Stimulus |
| 3 | **pay** | present · progressive | they *not said here* | attention | attention |  |  |  | vn pay-68-1 «NP V NP»: agent=Agent attention=Asset |

## Example 1 {#x1}

<!-- .ven lang=en -->
Air traffic controllers watch planes on the radar.

```conllu
# sent_id = dict:school:radar:x1:1
# text = Air traffic controllers watch planes on the radar.
1	Air	air	NOUN	NN	Number=Sing	2	compound	_	_
2	traffic	traffic	NOUN	NN	Number=Sing	3	compound	_	_
3	controllers	controller	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	watch	watch	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	planes	plane	NOUN	NNS	Number=Plur	4	obj	_	_
6	on	on	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	radar	radar	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **watch** | present | traffic controllers | planes |  | the radar |  |  | vn assessment-34.1 «NP V NP»: agent=Agent plane=Theme |

## Example 2 {#x2}

<!-- .ven lang=en -->
The weather radar shows rain coming this afternoon.

```conllu
# sent_id = dict:school:radar:x2:1
# text = The weather radar shows rain coming this afternoon.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	weather	weather	NOUN	NN	Number=Sing	3	compound	_	_
3	radar	radar	NOUN	NN	Number=Sing	4	nsubj	_	_
4	shows	show	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	rain	rain	NOUN	NN	Number=Sing	4	obj	_	_
6	coming	come	VERB	VBG	VerbForm=Ger	5	acl	_	_
7	this	this	DET	DT	Number=Sing|PronType=Dem	8	det	_	_
8	afternoon	afternoon	NOUN	NN	Number=Sing	6	obl:unmarked	_	SpaceAfter=No
9	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **show** | present | the weather radar | rain |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent rain=Recipient |
| 2 | **come** | gerund | rain *not said here* |  |  |  | afternoon |  | vn escape-51.1-1 «NP V»: agent=Theme |

## Example 3 {#x3}

<!-- .ven lang=en -->
The police used radar to check the cars' speed.

```conllu
# sent_id = dict:school:radar:x3:1
# text = The police used radar to check the cars' speed.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	police	police	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	used	use	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	radar	radar	NOUN	NN	Number=Sing	3	obj	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	check	check	VERB	VB	VerbForm=Inf	3	advcl	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	cars	car	NOUN	NNS	Number=Plur	10	nmod:poss	_	SpaceAfter=No
9	'	's	PART	POS	_	8	case	_	_
10	speed	speed	NOUN	NN	Number=Sing	6	obj	_	SpaceAfter=No
11	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use** | past | the police | radar |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent radar=Patient |
| 2 | **check** | to-infinitive | the police *not said here* | the cars's speed |  |  |  |  | vn assessment-34.1 «NP V NP»: agent=Agent speed=Theme |

## Example 4 {#x4}

<!-- .ven lang=en -->
The ship's radar spotted an iceberg.

```conllu
# sent_id = dict:school:radar:x4:1
# text = The ship's radar spotted an iceberg.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	ship	ship	NOUN	NN	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	radar	radar	NOUN	NN	Number=Sing	5	nsubj	_	_
5	spotted	spot	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
6	an	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	iceberg	iceberg	NOUN	NN	Number=Sing	5	obj	_	SpaceAfter=No
8	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **spot** | past | the ship's radar | a iceberg |  |  |  |  | vn fill-9.8-1 «NP V NP»: agent=Theme iceberg=Destination |

## Example 5 {#x5}

<!-- .ven lang=en -->
Bats find insects in a way a bit like radar, using sound.

```conllu
# sent_id = dict:school:radar:x5:1
# text = Bats find insects in a way a bit like radar, using sound.
1	Bats	bat	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	find	find	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	insects	insect	NOUN	NNS	Number=Plur	2	obj	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	way	way	NOUN	NN	Number=Sing	2	obl	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	bit	bit	NOUN	NN	Number=Sing	6	appos	_	_
9	like	like	ADP	IN	_	10	case	_	_
10	radar	radar	NOUN	NN	Number=Sing	8	nmod	_	SpaceAfter=No
11	,	,	PUNCT	,	_	12	punct	_	_
12	using	use	VERB	VBG	Tense=Pres|VerbForm=Part	2	advcl	_	_
13	sound	sound	NOUN	NN	Number=Sing	12	obj	_	SpaceAfter=No
14	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **find** | present | Bats | insects |  | a way |  |  | vn discover-84 «NP V NP»: agent=Agent insect=Topic |
| 2 | **use** | gerund | Bats *not said here* | sound |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent sound=Patient |

## Example 6 {#x6}

<!-- .ven lang=en -->
The test is not on my radar yet — when is it?

```conllu
# sent_id = dict:school:radar:x6:1
# text = The test is not on my radar yet — when is it?
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	test	test	NOUN	NN	Number=Sing	7	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
4	not	not	PART	RB	Polarity=Neg	7	advmod	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	my	my	PRON	PRP$	Case=Gen|Number=Sing|Person=1|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	radar	radar	NOUN	NN	Number=Sing	0	root	_	_
8	yet	yet	ADV	RB	_	7	advmod	_	_
9	—	-	PUNCT	:	_	7	punct	_	_
10	when	when	ADV	WRB	PronType=Int	11	advmod	_	_
11	is	be	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	parataxis	_	_
12	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	11	expl	_	SpaceAfter=No
13	?	?	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **is** | present | the test |  |  | my radar | yet |  | tree rules |
| 2 | **be** | present |  | test |  |  |  |  | vn exist-47.1 «NP V»: agent=Theme |

<!-- 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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