–noun a large, solid-hoofed, herbivorous quadruped, Equus caballus, domesticated since prehistoric times, bred in a number of varieties, and used for carrying or pulling loads, for riding, and for racing.

1.

2.	a fully mature male animal of this type; stallion.

3.

any of several odd-toed ungulates belonging to the family Equidae, including the horse, zebra, donkey, and ass, having a thick, flat coat with a narrow mane along the back of the neck and bearing the weight on only one functioning digit, the third, which is widened into a round or spade-shaped hoof.

4.	something on which a person rides, sits, or exercises, as if astride the back of such an animal: rocking horse.

5.	Also called trestle. a frame, block, etc., with legs, on which something is mounted or supported.

6.	Gymnastics. a. vaulting horse. b. pommel horse.

7.	Carpentry. carriage (def. 7).

8.	soldiers serving on horseback; cavalry: a thousand horse.

9.	Slang. a man; fellow.

10.	Often, horses. Informal. horsepower.

11.	horses, Slang. the power or capacity to accomplish something, as by having enough money, personnel, or expertise: Our small company doesn't have the horses to compete against a giant corporation.

12.	Chess Informal. a knight.

13.	Slang. a crib, translation, or other illicit aid to a student's recitation; trot; pony.

14.	Mining. a mass of rock enclosed within a lode or vein.

15.	Nautical. traveler (def. 6b).

16.	Shipbuilding. a mold of a curved frame, esp. one used wh ed2 en the complexity of the curves requires laying out at full size.

17.	Slang. heroin.

–verb (used with object)

18.	to provide with a horse or horses.

19.	to set on horseback.

20.	to set or carry on a person's back or on one's own back.

21.	Carpentry. to cut notches for steps into (a carriage beam).

22.	to move with great physical effort or force: It took three men to horse the trunk up the stairs.

23.	Slang. a. to make (a person) the target of boisterous jokes. b. to perform boisterously, as a part or a scene in a play.

24.	Nautical. a. to caulk (a vessel) with a hammer. b. to work or haze (a sailor) cruelly or unfairly.

25.	Archaic. to place (someone) on a person's back, in order to be flogged.

–verb (used without object)

26.	to mount or go on a horse.

27.	(of a mare) to be in heat.

28.	Vulgar. to have coitus.

–adjective

29.	of, for, or pertaining to a horse or horses: the horse family; a horse blanket.

30.	drawn or powered by a horse or horses.

31.	mounted or serving on horses: horse troops.

32.	unusually large.

—Verb phrase

33.	horse around, Slang. to fool around; indulge in horseplay.

—Idioms

34.	back the wrong horse, to be mistaken in judgment, esp. in backing a losing candidate.

35.	beat or flog a dead horse, to attempt to revive a discussion, topic, or idea that has waned, been exhausted, or proved fruitless.

36.	from the horse's mouth, Informal. on good authority; from the original or a trustworthy source: I have it straight from the horse's mouth that the boss is retiring.

37.	hold one's horses, Informal. to check one's impulsiveness; be patient or calm: Hold your horses! I'm almost ready.

38.	horse of another color, something entirely different. Also, horse of a different color.

39.	look a gift horse in the mouth, to be critical of a gift.

40.	To horse! Mount your horse! Ride!

–noun

1.	a contest of speed, as in running, riding, driving, or sailing.

2.	races, a series of races, usually of horses or dogs, run at a set time over a regular course: They spent a day at the races.

3.	any contest or competition, esp. to achieve superiority: the arms race; the presidential race.

4.	urgent need, responsibility, effort, etc., as when time is short or a solution is imperative: the race to find an effective vaccine.

5.	onward movement; an onward or regular course.

6.	the course of time.

7.	the course of life or a part of life.

8.	Geology. a. a strong or rapid current of water, as in the sea or a river. b. the channel or bed of such a current or of any stream.

9.	an artificial channel leading water to or from a place where its energy is utilized.

10.	the current of water in such a channel.

11.	Also called raceway. Machinery. a channel, groove, or the like, for sliding or rolling a part or parts, as the balls of a ball bearing.

12.	Textiles. a. the float between adjacent rows of pile. b. race plate.

–verb (used without object)

13.	to engage in a contest of speed; run a race.

14.	to run horses or dogs in races; engage in or practice horse racing or dog racing.

15.	to run, move, or go swiftly.

16.	(of an engine, wheel, etc.) to run with undue or uncontrolled speed when the load is diminished without corresponding diminution of fuel, force, etc.

–verb (used with object)

17.	to run a race against; try to beat in a contest of speed: I'll race you to the water.

18.	to enter (a horse, car, track team, or the like) in a race or races.

19.	to cause to run, move, or go at high speed: to race a motor.