from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of the genus Physa of freshwater snails.

from the GNU version of the Collaborative International Dictionary of English

  • n. A genus of fresh-water Pulmonifera, having reversed spiral shells. See Pond snail, under pond.

from The Century Dictionary and Cyclopedia

  • n. A large genus of pond-snails or fresh-water gastropods of the family Limnæidæ, or made type of the Physidæ, having the shell sinistral.
  • n. [lowercase] A pond-snail of the genus Physa.
  • n. [lowercase; pl. physæ (-sē).] In some anthozoans, as Edwardsia, the lower end of the body. It may or may not be retractile into the scapus. Compare capitulum, 6, and scapus, 6.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. any member of the genus Physa


from Wiktionary, Creative Commons Attribution/Share-Alike License

From the genus name.


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