hp

/P/
noun
  1. 1

    Power derived from the motion of a horse.

  2. 2

    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.

  3. 3

    A metric unit (symbol often PS from the German abbreviation), approximately equal to 735.5 watts.

  4. 4

    Strength.

    โ€œpolitical horsepowerโ€

Synonyms

Source: https://en.wiktionary.org/wiki/horsepower, https://en.wiktionary.org/wiki/hp