horsepower

Definitions

• (uncountable) Power derived from the motion of a horse.
• 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.
• A metric unit (symbol often PS from the German abbreviation), approximately equal to 735.5 watts.
• (uncountable) Strength.