platyhelminth

noun

platy·​hel·​minth ˌpla-ti-ˈhel-ˌmin(t)th 

: flatworm

platyhelminthic

ˌpla-ti-hel-ˈmin(t)-thik 

ˌpla-ti-hel-ˈmin-tik

adjective

Word History

Etymology

ultimately from Greek platys broad, flat + helminth-, helmis helminth

First Known Use

1877, in the meaning defined above

Medical Definition

platyhelminth

noun

platy·​hel·​minth ˌplat-i-ˈhel-ˌmin(t)th 

: any worm of the phylum Platyhelminthes

called also flatworm