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18.221.129.19
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1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 Wa·ter snail
 1. Zool. Any aquatic pulmonate gastropod belonging to Planorbis, Limnaea, and allied genera; a pond snail.
 2. Mech. The Archimedean screw.  [R.]
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