'Planaria' definitions:

Definition of 'planaria'

(from WordNet)
noun
Free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts [syn: planarian, planaria]

Definition of 'Planaria'

From: GCIDE
  • Planaria \Pla*na"ri*a\, n.; pl. L. Planari[ae], E. -rias. [NL. See Planary.] (Zool.) 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. [1913 Webster]

Words containing 'Planaria'