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physa |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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}. From WordNet r 1.6 [wn]: physa n : any member of the genus Physa
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