Fascioloides
noun
Fas·ci·o·loi·des
| \ fə-ˌsē-ə-ˈlȯid-(ˌ)ēz
, -ˌsī-
\
, -ˌsī-
\
Medical Definition of Fascioloides
: a genus of trematode worms of the family Fasciolidae including the giant liver flukes of ruminant mammals that are serious pests of livestock and game in parts of western North America