tristoma Meaning, Definition & Usage

Tris"to*ma noun

Etymology

NL., from Gr. (see Tri-) + mouth.

Definitions

1. (Zoöl.) Any one of numerous species of trematode worms belonging to Tristoma and allied genera having a large posterior sucker and two small anterior ones. They usually have broad, thin, and disklike bodies, and are parasite on the gills and skin of fishes.