horse power
See also: horsepower and horse-power
English
Noun
horse power (plural horse powers)
- (chiefly historical, dialectal) Any of a class of machines that used draft horses as a source of power to an output shaft or sheave. Treadmill types and merry-go-round–like types existed.
- Alternative form: horse-power
- Synonym: horse engine
- Coordinate terms: donkey engine, water engine, wind engine, watermill, windmill
- In that era, they powered their corn sheller and their thresher with a horse power.
- (archaic) Alternative spelling of horsepower (“unit of power equaling 745 watts or similar figure”).
- Coordinate term: donkey power
- Used other than figuratively or idiomatically: motive effort supplied by one or more horses.
- Alternative forms: horsepower, horse-power
- Coordinate terms: donkey power, manpower, humanpower
- In the 1920s through 1940s, the push for power farming aimed to replace horse power with tractor power on the farm.