From Longman Dictionary of Contemporary Englishcapcap1 /kæp/ ●●● S3 noun [countable] 1 
hatHAT a) DCCa type of flat hat that has a curved part sticking out at the front, and is often worn as part of a uniform a baseball cap old men in flat caps a chauffeur’s peaked cap b) DCCa covering that fits very closely to your head a swimming cap a shower cap c) a type of simple hat that fits very closely to your head, worn especially by women in the past a white lace cap2 
coveringTOP/COVERING a protective covering that you put on the end or top of an object SYN top Make sure you put the cap back on the pen. a bottle cap3 limitLIMIT an upper limit that is put on the amount of money that someone can earn, spend, or borrow a cap on local council spending4 sport British English a) if a sportsperson wins a cap or is given a cap, he or she is chosen to play for their country He won his first England cap against Wales in 1994. b) a sportsperson who has played for his or her country Mason is one of two new caps in the team.5 DHTsmall explosiveEXPLOSIVE a small paper container with explosive inside it, used especially in toy guns 6 sexSEXSYMB a contraceptive made of a round piece of rubber that a woman puts inside her vagina SYN diaphragm7 → go cap in hand (to somebody) → flat cap, ice cap, kneecap, mob cap, skull cap, toecap, → a feather in your cap at feather1(2), → if the cap fits (, wear it) at fit1(8), → put your thinking cap on at thinking1(3)COLLOCATIONStypes of cap a baseball cap (=that people wear for baseball and for fashion)He was wearing a sweater and a baseball cap.a flat cap (also a cloth cap) British English (=made of cloth with a stiff piece that sticks out at the front)We saw an old man in a jacket and a brown flat cap.a peaked cap (=worn as part of a uniform)She wore a sailor's peaked cap.a swimming/bathing capA swimming cap will stop you getting your hair wet.a shower cap (=worn to keep your hair dry when having a shower)There was a little bag containing soap, shampoo and a shower cap.verbswear a capHe was wearing a baseball cap.put on/take off/remove your capHe opened the door, took off his cap, and threw it on a hook.
hatHAT a) DCCa type of flat hat that has a curved part sticking out at the front, and is often worn as part of a uniform a baseball cap old men in flat caps a chauffeur’s peaked cap b) DCCa covering that fits very closely to your head a swimming cap a shower cap c) a type of simple hat that fits very closely to your head, worn especially by women in the past a white lace cap2 coveringTOP/COVERING a protective covering that you put on the end or top of an object SYN top Make sure you put the cap back on the pen. a bottle cap3 limitLIMIT an upper limit that is put on the amount of money that someone can earn, spend, or borrow a cap on local council spending4 sport British English a) if a sportsperson wins a cap or is given a cap, he or she is chosen to play for their country He won his first England cap against Wales in 1994. b) a sportsperson who has played for his or her country Mason is one of two new caps in the team.5 DHTsmall explosiveEXPLOSIVE a small paper container with explosive inside it, used especially in toy guns 6 sexSEXSYMB a contraceptive made of a round piece of rubber that a woman puts inside her vagina SYN diaphragm7 → go cap in hand (to somebody) → flat cap, ice cap, kneecap, mob cap, skull cap, toecap, → a feather in your cap at feather1(2), → if the cap fits (, wear it) at fit1(8), → put your thinking cap on at thinking1(3)COLLOCATIONStypes of cap a baseball cap (=that people wear for baseball and for fashion)He was wearing a sweater and a baseball cap.a flat cap (also a cloth cap) British English (=made of cloth with a stiff piece that sticks out at the front)We saw an old man in a jacket and a brown flat cap.a peaked cap (=worn as part of a uniform)She wore a sailor's peaked cap.a swimming/bathing capA swimming cap will stop you getting your hair wet.a shower cap (=worn to keep your hair dry when having a shower)There was a little bag containing soap, shampoo and a shower cap.verbswear a capHe was wearing a baseball cap.put on/take off/remove your capHe opened the door, took off his cap, and threw it on a hook.Examples from the Corpus
cap• Proposition 13 put a cap on property taxes.• Glancing towards the car park, I am transfixed by the sight of a man in a flat cap cleaning our car.• This'll be a feather in her cap, right enough, a princess named after her.• People get dressed up in caps and gowns.• Use a vacuum cleaner to remove debris from between the key caps and clean them with a suitable solution.• the lens cap for a camera• No cap, no apron or anything.• We... arranged the violets in our caps.• a nurse's cap• Only these caps with Yankees and Mets logos are hot pink and bright red, hardly the stuff of traditionalists.capcap2 verb (capped, capping) [transitive] 1 → be capped with something2 limit to limit the amount of something, especially money, that can be used, allowed, or spent the only county to have its spending capped by the governmentGrammar Cap is often passive in this meaning.3 good/badBETTER to say, do, or be something that is better, worse, or more extreme than something that has just happened or been said Well, we went three nights with no sleep at all. I bet you can’t cap that!4 → be capped by something5 sport British EnglishDS to choose someone for a national sports team He’s been capped three times for England.Grammar Cap is usually passive in this meaning.6 → to cap it all (off)7 → snow-capped, white-capped etc8 toothMH to cover a tooth with a special hard white substance He’s had his teeth capped.→ See Verb tableExamples from the Corpus
cap• The museum dedication capped a week of nonstop Holocaust commemoration in the capital.• Some state colleges have capped enrollment for budgetary reasons.• To cap it off, the last but one trap contained a ten pounder.• Payton capped the game with three baskets in the final minute.• The chain-link fence is capped with barbed wire.CAP, thethe CAPCAP, the /ˌsiː eɪ ˈpiː/ (the Common Agricultural Policy) a system of laws arranged by the European Union to control the production of food and other farm crops. It set limits on how much farmers can grow, and provided them with financial support. The CAP has often been criticized as a wasteful use of European Union money, and some people think it has given a lot of money to rich farmers who do not need it.From Longman Business DictionaryCAPCAP ECONOMICSabbreviation for COMMON AGRICULTURAL POLICYcapcap /kæp/ verb (capped, capping) [transitive]1ECONOMICS to put a limit on the amount of money that can be charged or spentThe total annual fee is capped at 1.5%.Up to 150 local government jobs could go if the Council has its spending capped by the new Home Secretary.2BANKING to put a limit on the amount of interest that can be charged on a loan, however much interest rates riseannual rate increases capped at two percentage points —capping noun [uncountable]Councillor Carr has warned that services will suffer as a result of capping. —cap noun [countable]The administration has put a cap on domestic spending.The banks were instructed to put a cap on credit card interest rates.→ See Verb tableOrigin cap1 (900-1000) Late Latin cappa “covering for the head, cloak”, perhaps from Latin caput “head” 