1. [syn: propeller, propellor]
The Collaborative International Dictionary of English v.0.48:
Propeller \Pro*pel"ler\, n.
1. One who, or that which, propels.
2. 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.
3. A steamboat thus propelled; a screw steamer.
Propeller wheel,the screw, usually having two or more
blades, used in propelling a vessel.
WordNet (r) 3.0 (2006):
n 1: a mechanical device that rotates to push against air or
water [syn: propeller, propellor]