Definitions for labrum
  • 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
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