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a. A large hoofed mammal (Equus caballus) having a short coat, a long mane, and a long tail, domesticated since ancient times and used for riding and for drawing or carrying loads.
b. An adult male horse; a stallion.
c. Any of various equine mammals, such as the wild Asian species Przewalski's horse or certain extinct forms related ancestrally to the modern horse.
2. A frame or device, usually with four legs, used for supporting or holding.
3. Sports A vaulting horse.
4. Slang Heroin.
5. often horses Horsepower: a muscle car with 400 horses under the hood.
6. Mounted soldiers; cavalry: a squadron of horse.
7. Geology
a. A block of rock interrupting a vein and containing no minerals.
b. A large block of displaced rock that is caught along a fault.
v. 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 in the same category: horse pills.
Phrasal Verb:
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; akin to Old Norse hross, horse, and German Ross, steed.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


pl n
gambling linked to horse racing
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


See also animals.

the training of horses in obedience and the execution of precise movements.
1. the art of horsemanship.
2. the practice of this art. — equestrian, equestrienne, n. — equestrian, adj.
the art or act of riding on horseback; horsemanship.
1. the study and treatment of diseases of horses.
2. a work on the diseases of horses. Also hippiatry. — hippiatrist, n. — hippia-tric, adj.
Ancient Greece and Rome. an arena for horse races.
the study of horses.
a form of divination involving the observation of horses, especially by listening to their neighing.
a mama for horses.
the study and treatment of the diseases of the horse.
a lover of horses.
an abnormal fear of horses.
the sculpting of white horses on hillsides by cutting away grass and earth to reveal underlying stone or chalk deposits, thought to be a sym-bol of Odin, as near Uffington, England.
1. the art and practice of horsemanship.
2. the special paces taught to a horse in training.
3. the school or academy where they are taught.
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in classic literature ?
Excursion to Colonia del Sacramiento -- Value of an Estancia -- Cattle, how counted -- Singular Breed of Oxen -- Perforated Pebbles -- Shepherd Dogs -- Horses broken-in, Gauchos riding -- Character of Inhabitants -- Rio Plata -- Flocks of Butterflies -- Aeronaut Spiders -- Phosphorescence of the Sea -- Port Desire -- Guanaco -- Port St.
He had not ridden many hundred yards after that before he saw to his left, across the whole width of the field, an enormous mass of cavalry in brilliant white uniforms, mounted on black horses, trotting straight toward him and across his path.
In this comical position the two horses circled slowly around each other for a while, each being unable to realize what the singular thing might be which it now beheld for the first time.
"A horse? Why, there are two kinds of horses," returned Tip, slightly puzzled how to explain.
Beside his own people, motley in character and costume--creole, Kentuckian, Indian, half-breed, hired trapper, and free trapper--he was surrounded by encampments of Nez Perces and Flatheads, with their droves of horses covering the hills and plains.
if people knew what a comfort to horses a light hand is, and how it keeps a good mouth and a good temper, they surely would not chuck, and drag, and pull at the rein as they often do.
The horses seemed to become more lively with each successive step; their nostrils reddened like glowing furnaces.
As they had obtained thirty-six additional horses by their recent traffic, Mr.
"What is that?" said the musketeer to himself; "a horse galloping, - a runaway horse, no doubt.
But Vasili Andreevich did not answer and touched up the horse. Four miles of good road, two of which lay through the forest, seemed easy to manage, especially as the wind was apparently quieter and the snow had stopped.
He crept up the horse's leg, sat down under the saddle, and then began to pinch the horse and to prick it with a pin.
A farmer had a horse that had been an excellent faithful servant to him: but he was now grown too old to work; so the farmer would give him nothing more to eat, and said, 'I want you no longer, so take yourself off out of my stable; I shall not take you back again until you are stronger than a lion.' Then he opened the door and turned him adrift.