Medical Dictionary
lip
noun \ˈlip\
Medical Definition of LIP
1
: either of the two fleshy folds which surround the opening of the mouth in humans and many other vertebrates and in humans are organs of speech essential to certain articulations; also : the pinkish or reddish margin of a human lip composed of nonglandular mucous membrane and usually exposed when the mouth takes on its natural set
2
: an edge of a wound
3
: either of a pair of fleshy folds surrounding an orifice
4
: an anatomical part or structure (as a labium) resembling a lip
—lip·like \ˈlip-ˌlīk\ adjective
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