- The Archimedean screw.
- Any aquatic pulmonate gastropod belonging to Planorbis, Limnaea, and allied genera; a pond snail.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). water snail. Retrieved September 20, 2026, from http://smartdefine.org/water_snail/definitions/2080997 |
| Chicago | Webster's. 2011. "water snail" http://smartdefine.org/water_snail/definitions/2080997 (accessed September 20, 2026). |
| Harvard | Webster's 2011, water snail, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/water_snail/definitions/2080997>. |
| MLA | Webster's. "water snail" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/water_snail/definitions/2080997> |