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3.149.250.19

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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Phy·sa prop. n.  Zool. A genus of fresh-water Pulmonifera, having reversed spiral shells. See Pond snail, under Pond.
 

From: WordNet (r) 2.0

 physa
      n : any member of the genus Physa