- A propeller screw placed in front of the supporting planes of an aeroplane instead of behind them, so that it exerts a pull instead of a push. Hence, Tractor monoplane, Tractor biplane, etc.
- (n.) One who or that which, propels.
- (n.) A contrivance for propelling a steam vessel, usually consisting of a screw placed in the stern under water, and made to revolve by an engine; a propeller wheel.
- (n.) A steamboat thus propelled; a screw steamer.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). propeller. Retrieved September 23, 2026, from http://smartdefine.org/propeller/definitions/2049880 |
| Chicago | Webster's. 2011. "propeller" http://smartdefine.org/propeller/definitions/2049880 (accessed September 23, 2026). |
| Harvard | Webster's 2011, propeller, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/propeller/definitions/2049880>. |
| MLA | Webster's. "propeller" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/propeller/definitions/2049880> |