Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A unit of power in the US Customary System, equal to 745.7 watts or 33,000 foot-pounds per minute.
  • noun The power exerted by a horse in pulling.
  • noun Informal Effective strength.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A non-metric unit of power (symbol hp) with various definitions, for different applications. The most common of them is probably the mechanical horsepower, approximately equal to 745.7 watts.
  • noun A metric horsepower (symbol often PS from the German abbreviation), approximately equal to 735.5 watts.
  • noun Strength

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a unit of power equal to 746 watts

Etymologies

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Examples

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  • A unit of measurement to determine how much an animal can be subjugated by humans. Cowpower is even more, uh, powerful.

    January 1, 2009

  • See manpower.

    July 26, 2009