资料来源 : Webster's Revised Unabridged Dictionary (1913)

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