What does "propeller" mean?

Propeller: 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.

Additional senses

  1. 2.A steamboat thus propelled; a screw steamer. Propeller wheel,the screw, usually having two or more blades, used in propelling a vessel.

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