1

cap

play
noun, often attributive \ ˈkap \

Definition of cap

1 a :a head covering especially with a visor and no brim
b :a distinctive head covering emblematic of a position or office: such as
(1) :a cardinal's biretta
2 :a natural cover or top: such as
a :an overlying rock layer that is usually hard to penetrate
b (1) :pileus
(2) :calyptra
c :the top of a bird's head or a patch of distinctively colored feathers in this area
3 a :something that serves as a cover or protection especially for a tip, knob, or end
  • a bottle cap
b :a fitting for closing the end of a tube
c British :cervical cap
d :an artificial crown for a tooth
4 :an overlaying or covering structure
5 :a paper or metal container holding an explosive charge (as for a toy pistol)
6 :an upper limit (as on expenditures) :ceiling
  • a cap on military spending
7 :the symbol ∩ indicating the intersection of two sets — compare cup 9
8 :a cluster of molecules or chemical groups bound to one end or a region of a cell, virus, or molecule
cap in hand
:in a respectful, humble, or sometimes fearful manner
  • went cap in hand to the governor to seek more funds for education

Origin and Etymology of cap

Middle English cappe, from Old English cæppe, from Late Latin cappa head covering, cloak


2

cap

verb

Definition of cap

capped; capping
transitive verb
1 a :to provide or protect with a cap
  • cap a bottle
b :to give a cap to as a symbol of honor, rank, or achievement
2 :to form a cap over :crown
  • mountains capped with mist
3 a :to follow with something more noticeable or more significant :outdo
b :to bring to a climax or conclusion
  • cap off the show with a song
4 :to form a chemical cap on
5 :to prevent from growing or spreading :set an upper limit on
  • cap oil prices
6 :to supply (a tooth) with an artificial crown
intransitive verb
:to form or produce a chemical cap

Examples of cap in a Sentence

  1. a pipe capped at one end

  2. Be sure to cap the pen when you are done using it.

  3. The report caps a ten-year study of lung cancer among nonsmokers.

  4. a concert capped by a fantastic fireworks display

  5. If the teams don't cap player salaries, the league won't survive.

  6. The law would cap legal immigration.

  7. The government wants to cap councils that spend too much.

Origin and Etymology of cap

see 1cap


3

cap

noun

Definition of cap

:a small amount of an illegal or legally regulated drug; especially :a small amount of a drug enclosed in a capsule
  • a cap of cocaine

Origin and Etymology of cap

short for capsule


4

cap

noun

Definition of cap

First Known Use of cap

1982


5

cap

abbreviation

Definition of cap

1 capacity
2 capital
3 capitalize; capitalized

Other Electrical Engineering Terms


CAP

abbreviation

Definition of CAP

1 Civil Air Patrol
2 combat air patrol

CAP Defined for English Language Learners

cap

verb

Definition of cap for English Language Learners

  • : to cover the top or end of (something) : to put a cap on (something)

  • : to end (something) in usually an exciting or impressive way

  • : to follow (something) with something that is better, worse, etc.


CAP Defined for Kids

1

cap

play
noun \ ˈkap \

Definition of cap for Students

1 :a head covering and especially one having a visor and no brim
2 :something that serves as a cover or protection for something
  • a bottle cap
3 :a part that forms the top of something
  • a mushroom cap
4 :an upper limit
  • a cap on spending
5 :a paper or metal container holding a small explosive charge
  • The toy pistol shoots caps.

2

cap

verb

Definition of cap for Students

capped; capping
1 :to cover or provide with a top or cover
  • Please remember to cap the marker.
  • The mountaintops are capped with snow.
2 :to bring to a high point or end
  • He capped off the show with a song.
3 :to match or follow with something equal or better
  • She capped his joke with one of her own.
4 :to put an upper limit on
  • Attendance is capped at 80 participants.

cap.

abbreviation

Definition of cap. for Students

1 capital
2 capitalize
3 capitalized

Medical Dictionary

1

cap

play
noun, often attributive \ ˈkap \

medical Definition of cap

1 :a natural cover or top: as
a :pileus
2 :something that serves as a cover or protection especially for a tip, knob, or end (as of a tooth)
3 British :cervical cap
4 :a cluster of molecules or chemical groups bound to one end or a region of a cell, virus, or molecule
  • the cell surface receptors were redistributed into caps

2

cap

verb

medical Definition of cap

capped; capping
transitive verb
1 :to invest (a student nurse) with a cap as an indication of completion of a probationary period of study
2 :to cover (a diseased or exposed part of a tooth) with a protective substance
3 :to form a chemical cap on
  • the capped end of a messenger RNA
intransitive verb
:to form or produce a chemical cap

cap

abbreviation

medical Definition of cap

1 capacity
2 capsule

Law Dictionary

cap

play
noun \ ˈkap \

legal Definition of cap

:an upper limit
  • a jury found that KAL had committed “willful misconduct,” thus removing the Warsaw Conventionʼs $75,000 cap on damages
  • Dooley v. Korean Air Lines, 524 U.S. 116 (1998)

cap

verb


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