Cap

Merriam-Webster Online Dictionary
cap (noun)
1.
a) a head covering especially with a visor and no brim
b) a distinctive head covering emblematic of a position or office as
(1) a cardinal's biretta
(2) - mortarboard
2.
a natural cover or top 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 (as a water pipe or electric conduit)
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
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 (verb)
transitive verb
1.
a) to provide or protect with a cap
b) to give a cap to as a symbol of honor, rank, or achievement
2.
to form a cap over - crown the mountains were capped with mist John Buchan
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.
intransitive verb
to supply (a tooth) with an artificial crown to form or produce a chemical cap
cap (noun)
a small amount of an illegal or legally regulated drug , especially a small amount of a drug enclosed in a capsule
cap (noun)
- capitalization
CAP (abbreviation)
1.
Civil Air Patrol
2.
combat air patrol
cap (abbreviation)
1.
capacity
2.
capital
3.
capitalize; capitalized