Labrum(n.) A lip or edge, as of a basin.
Labrum(n.) An organ in insects and crustaceans covering the upper part of the mouth, and serving as an upper lip. See Illust. of Hymenoptera.
Labrum(n.) The external margin of the aperture of a shell. See Univalve.
Labrums(pl. ) of Labrum

Words within labrum