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Definition of "cogwheel" [cog•wheel]

  • A toothed wheel. (noun)
  • One of a set of cogged wheels within a mechanism. (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 "cogwheel" in a sentence
  • "The mighty horizontal cogwheel had thick wooden spikes which in turn fitted into the crevices of another vertical cog, and these wheels put four heavy beams in motion."
  • "If you help the tax payer, he will spend money which in turn will begin the cogwheel of business."
  • "I like the look of the book and would find the discussion of cogwheel trains interesting, especially were I back in the 2nd grade."