- A metal hammer used when heated, as by dipping in hot water, to blister the skin, as for counterritation.
- A concussion or blow, made by water in striking, as against the sides of a pipe or vessel containing it.
- A vessel partly filled with water, exhausted of air, and hermetically sealed. When reversed or shaken, the water being unimpeded by air, strikes the sides in solid mass with a sound like that of a hammer.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). water hammer. Retrieved September 26, 2026, from http://smartdefine.org/water_hammer/definitions/2080913 |
| Chicago | Webster's. 2011. "water hammer" http://smartdefine.org/water_hammer/definitions/2080913 (accessed September 26, 2026). |
| Harvard | Webster's 2011, water hammer, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/water_hammer/definitions/2080913>. |
| MLA | Webster's. "water hammer" 28 May 2011. Web. 26 September 2026. <http://smartdefine.org/water_hammer/definitions/2080913> |