labrum

  1. Noun.  The uppermost of the mouthparts (trophi) of a typical insect, such as a cockroach. Typically resembles an upper lip and forms part of the roof of the mouth in such insects.
  2. Noun.  (anatomy) Any of several lip-like projections.
  3. Noun.  A large basin of warm water, with an overhanging lip, in a Roman bath.

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This entry was last updated on RefTopia from its source on 3/20/2012.