cap
noun /kæp/
/kæp/
Idioms 
enlarge imagea type of soft flat hat with a peak (= a hard curved part sticking out in front). Caps are worn especially by men and boys, often as part of a uniform- to wear a cap.
- to put on/take off a cap
- to have a cap on
- a school cap
- a peaked cap
Oxford Collocations Dictionaryadjective- school
- shower
- skull
- …
- doff
- tip
- badge
- (usually in compounds) a soft hat that fits closely and is worn for a particular purpose
- a shower cap
Oxford Collocations Dictionaryadjective- school
- shower
- skull
- …
- doff
- tip
- badge
- a soft hat with a square flat top worn by some university teachers and students at special ceremonies compare mortar boardTopics Clothes and Fashionc1
- (British English) a cap given to somebody who is chosen to play for a school, country, etc.; a player chosen to play for their country, etc.
- He won his first cap (= was first chosen to play) for England against France.
- There are three new caps in the side.
- a cover or top for a pen, bottle, etc.
enlarge image- a lens cap
- The bottle has a screw cap.
Synonyms lidlid- top
- cork
- cap
- plug
- lid a cover over a container that can be removed or opened by turning or lifting it:
- a jar with a tight-fitting lid
- top a thing that you put over the end of something such as a pen or bottle in order to close it
- cork a small, round object made of cork or plastic that is used for closing bottles, especially wine bottles
- cap (often in compounds) a top for a pen or a cover for protecting something such as the lens of a camera
- plug a round piece of material that you put into a hole in order to block it; a flat, round rubber or plastic thing that you put into the hole of a sink in order to stop the water from flowing out:
- a bath plug
- a tight-fitting lid/top/cap
- a screw top/cap
- a pen lid/top
- to put on/screw on/take off/unscrew the lid/top/cap
- to pull out the cork/plug
Oxford Collocations Dictionaryadjective- bottle
- hub
- lens
- …
- put on
- screw on
- remove
- …
- an artificial cover for a damaged tooth synonym crown (10)
- He needed four caps for his teeth after the accident.
- the top of a mountain or a wave
- Purple mist sat below the snowy mountain caps.
- an upper limit on an amount of money that can be spent or borrowed by a particular institution or in a particular situation
- The government has placed a cap on local council spending.
- a small paper container with explosive powder inside it, used especially in toy guns
- (British English) (also diaphragm British and North American English)a rubber or plastic device that a woman places inside her vagina before having sex to prevent sperm from entering the womb and making her pregnant see also cradle cap, dunce’s cap, ice cap, thinking cap
hat
in sport
on pen/bottle
on tooth
on mountain/wave
limit on money
in toy guns
for woman
Word OriginOld English cæppe ‘hood’, from late Latin cappa, perhaps from Latin caput ‘head’.
Idioms
a feather in your cap
- an action that you can be proud of
go cap in hand (to somebody) (especially British English)
(North American English usually go hat in hand)
- to ask somebody for something, especially money, in a very polite way that makes you seem less important
- There’s no way he’ll go cap in hand to his brother.
if the cap fits (, wear it) (British English)
(North American English if the shoe fits (, wear it))
- (informal) if you feel that a remark applies to you, you should accept it and take it as a warning or criticism
- I didn’t actually say that you were lazy, but if the cap fits…