Source : Webster's Revised Unabridged Dictionary (1913)

Trematode \Trem"a*tode\, n. (Zo["o]l.)
   One of the Trematodea. Also used adjectively.

Source : WordNet®

trematode
     n : parasitic flatworms having external suckers for attaching to
         a host [syn: {fluke}, {trematode worm}]