'Labrum' definitions:

Definition of 'Labrum'

From: GCIDE
  • Labrum \La"brum\, n.; pl. L. Labra, E. Labrums. [L.]
  • 1. A lip or edge, as of a basin. [1913 Webster]
  • 2. (Zool.) (a) An organ in insects and crustaceans covering the upper part of the mouth, and serving as an upper lip. See Illust. of Hymenoptera. (b) The external margin of the aperture of a shell. See Univalve. [1913 Webster]

Words containing 'Labrum'