Found 2 items, similar to Physa.
English → English (WordNet) Definition: physa physa n : any member of the genus Physa
English → English (gcide) Definition: Physa Physa \Phy"sa\, n. [NL., fr. Gr. ? a bellows.] (Zo["o]l.) A genus of fresh-water Pulmonifera, having reversed spiral shells. See Pond snail, under Pond. [1913 Webster]