Epistoma

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Epistoma \E*pis"to*ma\, Epistome \Ep"i*stome\, n. [NL. epistoma,
     fr. Gr. 'epi` upon + ?, ?, mouth.] (Zo["o]l.)
     (a) The region between the antenn[ae] and the mouth, in
         Crustacea.
     (b) A liplike organ that covers the mouth, in most Bryozoa.
         See Illust., under {Entoprocta}.


         [1913 Webster]