Horse vs. Nag: What's the Difference?

Horse and Nag Definitions
Horse
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.
Nag
To annoy by constant scolding, complaining, or urging.
Horse
An adult male horse; a stallion.
Nag
To torment persistently, as with anxiety or pain.
Horse
Any of various equine mammals, such as the wild Asian species Przewalski's horse or certain extinct forms related ancestrally to the modern horse.
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Nag
To scold, complain, or find fault constantly
Nagging at the children.
Horse
A frame or device, usually with four legs, used for supporting or holding.
Nag
To be a constant source of anxiety or annoyance
The half-remembered quotation nagged at my mind.
Horse
(Sports) A vaulting horse.
Nag
One who nags.
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Horse
(Slang) Heroin.
Nag
An old or worn-out horse.
Horse
Often horses Horsepower
A muscle car with 400 horses under the hood.
Nag
(Slang) A racehorse.
Horse
Mounted soldiers; cavalry
A squadron of horse.
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Nag
(Archaic) A small saddle horse or pony.
Horse
A block of rock interrupting a vein and containing no minerals.
Nag
A small horse; a pony.
Horse
A large block of displaced rock that is caught along a fault.
Nag
An old, useless horse.
Horse
To provide with a horse.
Nag
A paramour.
Horse
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).
Nag
Someone or something that nags.
Horse
To be in heat. Used of a mare.
Nag
A repeated complaint or reminder.
Horse
Of or relating to a horse
A horse blanket.
Nag
A persistent, bothersome thought or worry.
Horse
Mounted on horses
Horse guards.
Nag
(ambitransitive) To repeatedly remind or complain to (someone) in an annoying way, often about insignificant or unnecessary matters.
Anyone would think that I nagged at you, Amanda! (From Amanda! by Robin Klein)
Horse
Drawn or operated by a horse.
Nag
To bother with persistent thoughts or memories.
The notion that he forgot something nagged him the rest of the day.
Horse
Larger or cruder than others in the same category
Horse pills.
Nag
To bother or disturb persistently in any way.
A nagging pain in his left knee
A nagging north wind
Horse
A hoofed mammal, Equus ferus caballus, often used throughout history for riding and draft work.
A cowboy's greatest friend is his horse.
Nag
A small horse; a pony; hence, any horse, especially one that is of inferior breeding or useless.
Horse
Any member of the species Equus ferus, including the Przewalski's horse and the extinct Equus ferus ferus.
Nag
A paramour; - in contempt.
Horse
(zoology) Any current or extinct animal of the family Equidae, including zebras and asses.
These bone features, distinctive in the zebra, are actually present in all horses.
Nag
A person who nags, especially habitually; called also nagger.
Horse
Cavalry soldiers (sometimes capitalized when referring to an official category).
We should place two units of horse and one of foot on this side of the field.
All the King's horses and all the King's men, couldn't put Humpty together again.
Nag
To tease in a petty way; to scold habitually; to annoy; to fret pertinaciously.
Horse
A component of certain games.
Nag
Someone (especially a woman) who annoys people by constantly finding fault
Horse
(slang) A large and sturdy person.
Every linebacker they have is a real horse.
Nag
An old or over-worked horse
Horse
(historical) A timber frame shaped like a horse, which soldiers were made to ride for punishment.
Nag
Bother persistently with trivial complaints;
She nags her husband all day long
Horse
Equipment with legs.
Nag
Worry persistently;
Nagging concerns and doubts
Horse
In gymnastics, a piece of equipment with a body on two or four legs, approximately four feet high, sometimes (pommel horse) with two handles on top.
She's scored very highly with the parallel bars; let's see how she does with the horse.
Nag
Remind or urge constantly;
She nagged to take a vacation
Horse
A frame with legs, used to support something.
A clothes horse; a sawhorse
Horse
(nautical) Type of equipment.
Horse
A rope stretching along a yard, upon which men stand when reefing or furling the sails; footrope.
Horse
A breastband for a leadsman.
Horse
An iron bar for a sheet traveller to slide upon.
Horse
A jackstay.
Horse
(mining) A mass of earthy matter, or rock of the same character as the wall rock, occurring in the course of a vein, as of coal or ore; hence, to take horse (said of a vein) is to divide into branches for a distance.
Horse
(US) An informal variant of basketball in which players match shots made by their opponent(s), each miss adding a letter to the word "horse", with 5 misses spelling the whole word and eliminating a player, until only the winner is left. Also HORSE, H-O-R-S-E or H.O.R.S.E. (see H-O-R-S-E).
Horse
(uncountable) The flesh of a horse as an item of cuisine.
Horse
(prison slang) A prison guard who smuggles contraband in or out for prisoners.
Horse
A translation or other illegitimate aid in study or examination.
Horse
Horseplay; tomfoolery.
Horse
(slang) Heroin drug.
Horse
(intransitive) To frolic, to act mischievously. (Usually followed by "around".)
Horse
(transitive) To play mischievous pranks on.
Horse
(transitive) To provide with a horse; supply horses for.
Horse
(obsolete) To get on horseback.
Horse
To sit astride of; to bestride.
Horse
(of a male horse) To copulate with (a mare).
Horse
To take or carry on the back.
Horse
To place (someone) on the back of another person, or on a wooden horse, chair, etc., to be flogged or punished.
Horse
(by extension) To flog.
Horse
(transitive) To pull, haul, or move (something) with great effort, like a horse would.
Horse
(informal) To cram (food) quickly, indiscriminately or in great volume.
Horse
To urge at work tyrannically.
Horse
To charge for work before it is finished.
Horse
A hoofed quadruped of the genus Equus; especially, the domestic horse (Equus caballus), which was domesticated in Egypt and Asia at a very early period. It has six broad molars, on each side of each jaw, with six incisors, and two canine teeth, both above and below. The mares usually have the canine teeth rudimentary or wanting. The horse differs from the true asses, in having a long, flowing mane, and the tail bushy to the base. Unlike the asses it has callosities, or chestnuts, on all its legs. The horse excels in strength, speed, docility, courage, and nobleness of character, and is used for drawing, carrying, bearing a rider, and like purposes.
Horse
The male of the genus Equus, in distinction from the female or male; usually, a castrated male.
Horse
Mounted soldiery; cavalry; - used without the plural termination; as, a regiment of horse; - distinguished from foot.
The armies were appointed, consisting of twenty-five thousand horse and foot.
Horse
A frame with legs, used to support something; as, a clotheshorse, a sawhorse, etc.
Horse
A frame of timber, shaped like a horse, on which soldiers were made to ride for punishment.
Horse
Anything, actual or figurative, on which one rides as on a horse; a hobby.
Horse
A mass of earthy matter, or rock of the same character as the wall rock, occurring in the course of a vein, as of coal or ore; hence, to take horse - said of a vein - is to divide into branches for a distance.
Horse
A translation or other illegitimate aid in study or examination; - called also trot, pony, Dobbin.
Horse
Heroin.
Horse
Horsepower.
Horse
To provide with a horse, or with horses; to mount on, or as on, a horse.
Horse
To sit astride of; to bestride.
Horse
To mate with (a mare); - said of the male.
Horse
To take or carry on the back; as, the keeper, horsing a deer.
Horse
To place on the back of another, or on a wooden horse, etc., to be flogged; to subject to such punishment.
Horse
To get on horseback.
Horse
Solid-hoofed herbivorous quadruped domesticated since prehistoric times
Horse
A padded gymnastic apparatus on legs
Horse
Troops trained to fight on horseback;
500 horse led the attack
Horse
A framework for holding wood that is being sawed
Horse
A chessman in the shape of a horse's head; can move two squares horizontally and one vertically (or vice versa)
Horse
Provide with a horse or horses