'Propeller' definitions:

Definition of 'propeller'

From: WordNet
noun
A mechanical device that rotates to push against air or water [syn: propeller, propellor]

Definition of 'Propeller'

From: GCIDE
  • Propeller \Pro*pel"ler\, n. [1913 Webster]
  • 1. One who, or that which, propels. [1913 Webster]
  • 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. [1913 Webster]
  • 3. A steamboat thus propelled; a screw steamer. [1913 Webster]
  • Propeller wheel,the screw, usually having two or more blades, used in propelling a vessel. [1913 Webster]