Polystoma

1 definition found

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

  Polystomata \Pol`y*stom"a*ta\, n. pl. [NL., from Gr. poly`s many
     + ?, ?, mouth.] (Zool.)
     A division of trematode worms having more two suckers. Called
     also {Polystomea} and {Polystoma}.
     [1913 Webster]