Planaria
Pronunciation : Pla*na"ri*a, n.; pl. L. Planari
Part of Speech : E.
Etymology : [NL. See Planary.] (Zo?l.)
Definition : Defn: Any species of turbellarian worms belonging to Planaria, and many allied genera. The body is usually flat, thin, and smooth. Some species, in warm countries, are terrestrial.
-rias.
Source : Webster's Unabridged Dictionary, 1913