labrum Meaning, Definition & Usage

La"brum noun
Etymology
L.
Wordforms
plural L Labra E Labrums
Definitions
  1. A lip or edge, as of a basin.
  2. (Zoöl.) (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.

Webster 1913