Horse glossary
Short, clear explanations of horse terms. Click a colour to read more about it.
- 20-metre circle
The largest standard circle in dressage, 20 metres in diameter, filling the full width of the arena with four touch points.
See also: Volte
- Agouti
The gene locus that decides where black pigment goes. The dominant form pushes black to the points (bay); the recessive form spreads it over the whole body (black).
See also: Extension (red factor), Points, Base colour
- Arena letters
The fixed letters along the edge and on the centre line of the arena that serve as reference points; the small arena has eight outer letters (A-K-E-H-C-M-B-F) and D-X-G on the centre line.
See also: Centre line
- Bald face
A very broad facial marking covering most of the face and extending over at least one eye and usually both nostrils.
- Base colour
One of the three colours that all other horse colours are built on: chestnut, bay or black. Dilutions and patterns work on top of a base colour.
See also: Dilution gene, Points
- Bell boots
Bell-shaped protectors around the heel bulbs that guard the front hooves against being stepped on by the hind legs.
See also: Brushing boots
- Blaze
A broad white stripe running down the forehead and nose. Narrower it is a stripe; very broad it becomes a bald face.
See also: Marking, Star
- Body brush
A brush with short, soft bristles that smooths the coat, picks up fine dust and spreads skin oils for shine.
See also: Dandy brush
- Body language
The combination of ear position, head height, tail and posture that hints at a horse's attention or tension; a single sign never proves a particular emotion.
See also: Flehmen response
- Brushing boots
Leg boots that protect the inside of the lower leg from being struck by the other leg.
See also: Tendon boots
- Cannon
The straight bone between the knee or hock and the fetlock, with the flexor tendons behind it; heat or swelling here is always a warning.
See also: Fetlock
- Canter
A three-beat gait with three hoof beats per stride, followed by a moment of suspension; the leading foreleg sets left or right lead.
See also: Gallop
- Cantle
The raised back of the saddle seat; a higher cantle gives a deeper dressage seat, a lower one more freedom for jumping.
See also: Pommel
- Centre line
The straight line from A to C dividing the arena into two equal halves; every test starts by entering along the centre line, usually with a halt at X.
See also: Arena letters
- Champagne
A dominant dilution gene that dilutes black to brown and red to gold, with a typical metallic sheen, pinkish mottled skin and amber eyes.
See also: Dilution gene
- Colic
A collective name for abdominal pain in the horse; risk rises with lots of concentrates, little forage and sudden feed changes. When suspected it is a veterinary emergency.
See also: Concentrates, Forage (roughage)
- Concentrates
Concentrated, starch- and sugar-rich feed such as grain or pellets; too much at once raises the risk of colic, laminitis and ulcers.
See also: Forage (roughage)
- Coronet
A narrow white band just above the hoof; the lowest of the leg markings.
- Cream
A dilution gene that dilutes red to yellow. One copy gives palomino (on chestnut) or buckskin (on bay); two copies give an almost white colour such as cremello. Cream is dominant with a dosage effect.
See also: Dilution gene, Heterozygous, Homozygous
- Croup
The curve of the pelvis between the loin and the tail root, holding the large muscles that provide most of the push.
- Curb bit
A bit that works through leverage via the shanks and a curb chain, often used together with a snaffle in a double bridle (Weymouth and bradoon).
See also: Snaffle bit
- Curry comb
A handy tool with rubber or plastic nubs to loosen dirt, mud and dead hair, usually in small circles on the muscled areas.
See also: Dandy brush
- Dandy brush
A brush with long, stiff bristles to flick away the loosened dirt and dust, mainly on the large muscled areas.
See also: Curry comb, Body brush
- Dilution gene
A gene that lightens a base colour. Some dilute only red, others only black, others both. Examples: cream, dun, champagne and silver.
See also: Cream, Dun, Champagne, Silver
- Dominant
A trait that shows with a single copy of the gene. Cream, dun and grey are for example dominant.
See also: Recessive, Heterozygous
- Dorsal stripe
A dark stripe running along the topline, from withers to tail. The clearest sign of the dun gene and the main difference from a buckskin.
See also: Dun, Primitive markings
- Dun
A dominant dilution gene that lightens the body and adds primitive markings such as a dorsal stripe. Head, lower legs, mane and tail stay undiluted.
See also: Dorsal stripe, Primitive markings
- Ermine marks
Small dark spots within a white leg marking, usually just above the hoof around the coronet.
See also: Coronet
- Extension (red factor)
The gene locus that decides whether a horse can make black pigment. Two recessive e alleles give a chestnut: the horse then makes only red pigment.
See also: Agouti, Base colour, Recessive
- Farrier
The professional who trims the hooves, fits shoes and helps with corrective hoof care.
See also: Horseshoe
- Fetlock
The hinge joint below the cannon that absorbs a lot of shock at every stride, and is therefore prone to wear.
See also: Cannon
- Flehmen response
Raising the head and curling the upper lip to route inhaled scent to the vomeronasal organ; a normal sensory mechanism, not an emotion.
See also: Body language
- Fly rug
A light, fine-mesh rug that lets air through but keeps biting insects off in summer.
See also: Turnout rug
- Forage (roughage)
Fibre-rich feed such as grass, hay and haylage that should make up most of the ration; it keeps digestion healthy and lowers the risk of colic and ulcers.
See also: Concentrates, Hay
- Frog
The V-shaped, rubbery structure in the middle of the underside of the hoof that helps absorb shock and pumps blood back up the leg with each step.
See also: Sole
- Gallop
The fastest gait: an asymmetric four-beat movement in which each leg lands separately, followed by a moment of suspension.
See also: Canter
- Girth
The strap that passes under the belly and holds the saddle in place.
- Grey
Not a fixed colour but a process: the horse turns whiter year after year, whatever colour it was born. The skin stays dark.
See also: Roan
- Hay
Dried grass with a low moisture content, a basic form of forage for horses.
See also: Haylage, Forage (roughage)
- Haylage
Wrapped, part-dried grass with a higher moisture and thus lower fibre content per kilo than hay, so the amount fed must be adjusted.
See also: Hay
- Heterozygous
Carrying two different versions of a gene (for example one cream and one normal). With a dominant gene a heterozygous horse already shows the trait.
See also: Homozygous, Dominant
- Hock
The large angular joint in the middle of the hind leg that takes huge forces on push-off; it corresponds to our ankle.
- Homozygous
Carrying two identical versions of a gene. With cream, homozygous (two copies) gives a cremello instead of a palomino.
See also: Heterozygous, Recessive
- Hoof pick
A curved hook to remove mud, manure and stones from the hoof, working from heel to toe and away from the sensitive frog.
See also: Frog
- Horseshoe
A usually metal shoe fixed under the hoof to protect the hoof wall from wear.
See also: Farrier
- Laminitis
A painful inflammation and damage of the laminae that connect the hoof wall to the coffin bone; severe cases can lead to rotation of the coffin bone. Causes include carbohydrate overload and obesity.
See also: White line, Concentrates
- Licking and chewing
Non-nutritive chewing and licking of the lips, often seen after a tense moment; its meaning is scientifically contested and not a sure sign of submission or calm.
See also: Body language
- Loading
Calmly letting the horse enter the trailer or lorry; safe pre-travel checks of floor, lights and brakes are part of it.
See also: Trailer
- Long-reining
Steering the horse from the ground with two long reins while the handler walks behind, slightly to one side.
See also: Lungeing
- Lungeing
Moving the horse in a circle around the handler on a long line (the lunge), for training and exercise from the ground.
See also: Lungeing cavesson, Long-reining
- Lungeing cavesson
A sturdy padded noseband with rings to attach the lunge line, giving more control than a halter without acting on the mouth.
See also: Lungeing
- Marking
A congenital white marking on the head or legs, such as a blaze, star or white sock. Markings are separate from the coat colour itself.
See also: Blaze, Star, Snip
- Martingale
An auxiliary strap that limits how high the horse carries its head; a running martingale works via rings on the reins, a standing one via the noseband.
- Noseband
The band that runs over the horse's nose; the simplest form is the cavesson, other types are the flash, the drop and the grackle.
- On the bit
A posture in which the horse moves in balance with the poll as the highest point, the head near vertical and a soft, even contact with the hand.
See also: Transition
- Pace
A lateral two-beat gait in which the two legs on the same side move together, instead of diagonally as in the trot.
See also: Tolt
- Pearl
A recessive dilution gene that shows only in double dose or together with cream, then giving a pale, even colour and sometimes light eyes.
See also: Cream, Recessive
- Points
The extremities of a horse: mane, tail, ear rims and lower legs. On a bay the points are black, and on a buckskin too.
See also: Agouti, Base colour
- Poll
The highest point of the neck, just behind the ears, where the head hinges on the neck and the bridle headpiece rests.
- Pommel
The raised front of the saddle, where the tree comes together at the front and the leg can move freely forward.
See also: Cantle
- Primitive markings
The ancient markings that come with dun horses: the dorsal stripe, horizontal zebra bars on the legs and sometimes shoulder stripes.
See also: Dorsal stripe, Dun
- Quartering
A quick grooming before riding in which the rug is folded back in sections to keep the horse warm; feet, eyes, nose and dock are cleaned.
See also: Curry comb
- Recessive
A trait that shows only when a horse has two copies of the gene. Chestnut and pearl are for example recessive.
See also: Dominant, Homozygous
- Roan
White and coloured hairs mixed on the barrel, with a coloured head and legs. Unlike a grey this does not change with age.
See also: Grey
- Sabino
A white pattern with irregular, ragged markings on the legs, belly and face, often with a lot of intermixed white hairs (roaning).
See also: Roan, Marking
- Serpentine
A series of equal loops that wind from one long side to the other; at each crossing of the centre line the bend, and so the rein, changes.
See also: Centre line
- Silver
A dominant gene that lightens only black, not red. Mane and tail turn silvery. On chestnut it is invisible. Linked to the eye condition MCOA.
See also: Dilution gene
- Snaffle bit
A bit that works with direct pressure on the mouth, without leverage; the most common bit and the only one allowed at the lower dressage levels.
See also: Curb bit
- Snip
A small white patch on or between the nostrils, separate from any blaze.
See also: Marking, Blaze
- Sock
A white leg marking that reaches from the hoof to about halfway up the cannon, above the fetlock joint. White reaching higher, to the knee or hock, is a stocking.
- Sole
The hard, concave underside of the hoof that protects the internal structures and helps bear the horse's weight.
See also: Frog, White line
- Star
A small white patch on the forehead. Larger, it is called a star.
See also: Marking, Blaze
- Stocking
A white leg marking that reaches to the knee (foreleg) or hock (hind leg), higher than a sock.
See also: Sock
- Tendon boots
Boots that cover the back of the forelegs, over the flexor tendons, against knocks.
See also: Brushing boots
- Tobiano
A pinto pattern with large, rounded white patches that cross over the back, usually with white legs and a mostly coloured head.
See also: Marking
- Tolt
A comfortable lateral four-beat gait with no suspension, in the same footfall order as the walk but much faster; typical of the Icelandic horse.
See also: Pace, Walk
- Trailer
A towed vehicle to transport one or more horses behind a car, with a ramp for loading and unloading.
See also: Loading
- Transition
A change of gait or of tempo within a gait, for example from walk to trot; in dressage it is judged on smoothness and balance.
See also: On the bit
- Travel boots
Boots or wraps that protect the legs during transport from knocks and kicks against the walls.
See also: Trailer
- Trot
A two-beat gait in which diagonal pairs of legs move together, with a short moment of suspension between the two beats.
See also: Walk, Canter
- Turnout rug
A waterproof, breathable rug for the field that protects against rain, wind and cold.
See also: Fly rug
- Volte
A small circle of 6, 8 or 10 metres in diameter; a figure larger than 10 metres is called a circle.
See also: 20-metre circle
- Walk
The slowest gait: a four-beat movement with no moment of suspension, with two or three hooves always on the ground.
See also: Trot, Canter
- White line
The visible junction on the underside of the hoof between the hoof wall and the sole, where the laminae attach the wall to the foot.
See also: Laminitis
- Withers
The ridge where the neck meets the back; the height of the horse is measured here.