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Definition of "propeller" []

  • A machine for propelling an aircraft or boat, consisting of a power-driven shaft with radiating blades that are placed so as to thrust air or water in a desired direction when spinning. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "propeller" in a sentence
  • "The plane has a 74in propeller and a 40-litre Toyota engine and weighs 800kg."
  • "The propeller is just a big fan in front of the plane used to keep the pilot cool."
  • "Phil Harris gets high blood pressure when his propeller is damaged."