labium

2 definitions found

labium - Collaborative International Dictionary of English v.0.48 :

  Labium \La"bi*um\, n.; pl. L. Labia, E. Labiums. [L.]
     1. A lip, or liplike organ.
        [1913 Webster]
  
     2. The lip of an organ pipe.
        [1913 Webster]
  
     3. pl. (Anat.) The folds of integument at the opening of the
        vulva.
        [1913 Webster]
  
     4. (Zool.)
        (a) The organ of insects which covers the mouth beneath,
            and serves as an under lip. It consists of the second
            pair of maxill[ae], usually closely united in the
            middle line, but bearing a pair of palpi in most
            insects. It often consists of a thin anterior part
            (ligula or palpiger) and a firmer posterior plate
            (mentum).
        (b) Inner margin of the aperture of a shell.
            [1913 Webster]

labium - WordNet (r) 2.1 (2005) :

  labium
      n 1: a liplike structure that bounds a bodily orifice
           (especially any of the four labiate folds of a woman's
           vulva)