- (n.) An hydraulic machine, variously constructed, for raising or transferring fluids, consisting essentially of a moving piece or piston working in a hollow cylinder or other cavity, with valves properly placed for admitting or retaining the fluid as it is drawn or driven through them by the action of the piston.
- (v.t.) To raise with a pump, as water or other liquid.
- (n.) A low shoe with a thin sole.
- (v.t.) To draw water or the like, from; to from water by means of a pump; as, they pumped the well dry; to pump a ship.
- (v.t.) Figuratively, to draw out or obtain, as secrets or money, by persistent questioning or plying; to question or ply persistently in order to elicit something, as information, money, etc.
- (v.i.) To work or raise water, a pump.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pump. Retrieved September 22, 2026, from http://smartdefine.org/pump/definitions/2050904 |
| Chicago | Webster's. 2011. "pump" http://smartdefine.org/pump/definitions/2050904 (accessed September 22, 2026). |
| Harvard | Webster's 2011, pump, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/pump/definitions/2050904>. |
| MLA | Webster's. "pump" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/pump/definitions/2050904> |