'Physa' definitions:

Definition of 'physa'

(from WordNet)
noun
Any member of the genus Physa

Definition of 'Physa'

From: GCIDE
  • Physa \Phy"sa\, prop. n. [NL., fr. Gr. fy^sa a bellows.] (Zool.) A genus of fresh-water Pulmonifera, having reversed spiral shells. See Pond snail, under Pond. [1913 Webster]

Words containing 'Physa'