Platyelminthes

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Platyelminthes \Plat`y*el*min"thes\, n. pl. [NL. See {Platy-},
     and {Helminthes}.] (Zool.)
     A class of helminthes including the cestodes, or tapeworms,
     the trematodes, and the turbellarians. Called also
     {flatworms}.
     [1913 Webster]