cap Meaning in the Cambridge English Dictionary
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Meaning of “cap” in the English Dictionary

"cap" in British English

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capnoun [C]

uk   us   /kæp/

cap noun [C] (HAT)

A2 a ​softflathat that has a ​curvedpartsticking out at the ​front, often ​worn as ​part of a ​uniform a ​thinhat that ​stopsyourhair getting ​wet when ​swimming or taking a ​shower: a shower/​swimming cap UK a ​hat given to someone who ​plays for ​theirnationalteam in a ​particularsport, or a ​player who ​receives this: Davis has 17 ​Scottish caps (= has ​played for ​Scotland 17 ​times). The ​teamcontains five ​international caps.
More examples

cap noun [C] (COVER)

a ​smalllid or ​cover: The ​camera has a lens cap to ​protect the ​lenssurface. an ​artificialcovering on a ​tooth that ​protects it

cap noun [C] (BIRTH CONTROL)

UK →  diaphragm

cap noun [C] (EXPLOSIVE)

a very ​smallamount of ​explosivepowder in a ​papercontainer, used ​especially in ​toyguns to ​produce a ​loudnoise

cap noun [C] (LIMIT)

a ​limit on the ​amount of ​money that can be ​charged or ​spent in ​connection with a ​particularactivity: Central ​government has ​imposed a cap onlocaltaxincreases.

capverb

uk   us   /kæp/ (-pp-)

cap verb (LIMIT)

C1 [T often passive] to put a ​limit on the ​amount of ​money that can be ​charged or ​spent in ​connection with a ​particularactivity: High ​spendingcouncils have all been (​rate/​charge) capped. Our ​mortgage is capped at 8.75 ​percent for five ​years.

cap verb (SPORT)

be capped UK to ​play for ​yournationalteam in a ​particularsport: She's been capped forScotland nine ​times.

cap verb (COVER)

[T] to ​cover the ​top of something: The ​mountain was capped withsnow. have ​yourteeth capped (= ​protected with an ​artificialcovering)
(Definition of cap from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"cap" in American English

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capnoun [C]

 us   /kæp/

cap noun [C] (HAT)

a ​soft, ​lighthat, esp. one with a ​curvedpartsticking out at the ​front: a painter’s cap My ​uncle must have a hundred ​baseball caps to ​choose from.

cap noun [C] (COVER)

a ​smalllid or ​cover: a ​pen cap I can’t get the cap off this ​bottle. A cap is also a crown (= ​cover for a ​tooth).

cap noun [C] (EXPLOSIVE)

a ​smallamount of ​explosivepowder on a ​paperroll, used esp. in ​toyguns to make a ​loudnoise

capverb [T]

 us   /kæp/ (-pp-)

cap verb [T] (LIMIT)

to put a ​limit on ​expenses or ​amountscharged: Our ​mortgage is capped for five ​years.
(Definition of cap from the Cambridge Academic Content Dictionary © Cambridge University Press)

"cap" in Business English

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capnoun [C]

uk   us   /kæp/ FINANCE
[C] an upper ​limit on the ​amount of ​money that can be ​spent or ​charged in ​connection with a particular ​activity: a ​price/​salary/​spending capa cap on sth They called for the ​government to ​keep the cap on public-sector ​spending.impose/remove a cap The ​letter of ​intentdefined the ​work to be ​carried out and ​imposed a cap on ​cost.
[C or U] abbreviation for capitalization : We are ​investing in ​companies with an ​average market cap of $400 million.

capverb [T, often passive]

uk   us   /kæp/ (-pp-)
to put an upper ​limit on the ​amount of ​money that can be ​spent or ​charged in ​connection with a particular ​activity: Annual ​expenses on each ​fund will be capped at 1.25%.
See also
(Definition of cap from the Cambridge Business English Dictionary © Cambridge University Press)
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