Fasciolidae
noun plural
Fas·ci·ol·i·dae
| \ ˌfas-ē-ˈäl-ə-dē
\
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Medical Definition of Fasciolidae
: a cosmopolitan family of digenetic trematodes chiefly infesting the livers of mammals and typically having a flattened leaf-shaped body with the ventral sucker near the anterior end — see fasciola, fascioloides, fasciolopsis