Distoma \Dis"to*ma\, n. [NL., fr. Gr. di- = di`s- twice + ? mouth.]

(Zo["o]l.) A genus of parasitic, trematode worms, having two suckers for attaching themselves to the part they infest. See 1st Fluke, 2.

Source: Webster's Revised Unabridged Dictionary (1913)