(definition) by Webster 1913 Wed Dec 22 1999 at 4:21:38

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.]

 

© Webster 1913.

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