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horse  audio  (hôrs) KEY 

    1. A large hoofed mammal (Equus caballus) having a short-haired coat, a long mane, and a long tail, domesticated since ancient times and used for riding and for drawing or carrying loads.
    2. An adult male horse; a stallion.
    3. Any of various equine mammals, such as the wild Asian species E. przewalskii or certain extinct forms related ancestrally to the modern horse.
  1. A frame or device, usually with four legs, used for supporting or holding.
  2. Sports A vaulting horse.
  3. Slang Heroin.
  4. Horsepower. Often used in the plural.
  5. Mounted soldiers; cavalry: a squadron of horse.
  6. Geology
    1. A block of rock interrupting a vein and containing no minerals.
    2. A large block of displaced rock that is caught along a fault.
horsed, hors·ing, hors·es
  1. To provide with a horse.
  2. To haul or hoist energetically: "Things had changed little since the days of the pyramids, with building materials being horsed into place by muscle power" (Henry Allen).
To be in heat. Used of a mare.
  1. Of or relating to a horse: a horse blanket.
  2. Mounted on horses: horse guards.
  3. Drawn or operated by a horse.
  4. Larger or cruder than others that are similar: horse pills.

horse around Informal
To indulge in horseplay or frivolous activity: Stop horsing around and get to work.

a horse of another/a different color
Another matter entirely; something else.
beat/flog a dead horse
  1. To continue to pursue a cause that has no hope of success.
  2. To dwell tiresomely on a matter that has already been decided.
be/get on (one's) high horse
To be or become disdainful, superior, or conceited.
hold (one's) horses
To restrain oneself.
the horse's mouth
A source of information regarded as original or unimpeachable.

Middle English, from Old English hors

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