- (n.) A long solid cylinder, used, instead of a piston or bucket, as a forcer in pumps.
- (n.) One who bets heavily and recklessly on a race; a reckless speculator.
- (n.) One who or that which, plunges; a diver.
- (n.) The firing pin of a breechloader.
- (n.) A boiler in which clay is beaten by a wheel to a creamy consistence.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). plunger. Retrieved September 25, 2026, from http://smartdefine.org/plunger/definitions/2046680 |
| Chicago | Webster's. 2011. "plunger" http://smartdefine.org/plunger/definitions/2046680 (accessed September 25, 2026). |
| Harvard | Webster's 2011, plunger, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/plunger/definitions/2046680>. |
| MLA | Webster's. "plunger" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/plunger/definitions/2046680> |