Medical Dictionary
Planariidae
noun pl Plan·a·ri·idae \ˌplan-ə-ˈrī-ə-ˌdē\
Medical Definition of PLANARIIDAE
: a large family of small soft-bodied usually leaf-shaped flatworms of the order Tricladida that are almost all free-living in fresh water and often have well-developed eyespots—see planaria
Seen & Heard
What made you want to look up Planariidae? Please tell us where you read or heard it (including the quote, if possible).