Medical Dictionary

1cap

noun, often attrib \ˈkap\

Medical Definition of CAP

1
:  a natural cover or top: as a :  pileus b :  patella, kneecap
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>
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