Turbellaria
Pronunciation : Tur`bel*la"ri*a
Part of Speech : n.;
Etymology : [NL., dim. fr. L. turbo a whirling.] (Zo?l.)
Definition : Defn: An extensive group of worms which have the body covered externally with vibrating cilia. It includes the Rhabdocoela and Dendrocoela. Formerly, the nemerteans were also included in this group.
pl.
Source : Webster's Unabridged Dictionary, 1913