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Latin. n. Lip (of vessel ditch river), rim, edge, basin, vat, bathing place.


 - n. pl. L. Labra E. Labrums A lip or edge, as of a basin. (Zool.) (a) An organ in insects and crustaceans covering the upper part of the mouth, and serving as an upper lip. (b) The external margin of the aperture of a shell. See Univalve.