Dog grooming glossary

01 · 8 terms

The coat itself

Almost every wrong tool purchase traces back to one of these words being misread. Coat type decides the kit, so this is the group to get straight first.

Double coat

Two distinct layers: harsh outer guard hairs over a soft, dense undercoat. It sheds heavily twice a year and should never be clipped short — the undercoat grows back faster than the guard coat and the texture does not recover. See double coats.

Single coat

One layer, with no insulating undercoat underneath. It mostly grows rather than sheds, which is why it needs cutting on a schedule. Doodle and silky coats are both single coats.

Undercoat

The soft, fine, insulating layer under the guard hairs on a double coat. Dead undercoat is what packs down against the skin, what a rake pulls out, and what a force dryer blows clear.

Guard hairsalso: topcoat

The longer, coarser outer hairs. They shed water, carry the coat’s color pattern and provide sun protection, and they are the part a clipper permanently changes.

Furnishings

The longer hair carried on legs, chest, beard, ears and tail. Furnishings are where mats start on almost every coat type, because they move against the dog and against the floor all day.

Mat

Coat that has felted into a solid plate with no gaps for a comb to pass through. A tangle combs out; a mat has to be split or cut. The distinction matters because pulling a mat tears skin.

Coat changealso: puppy coat

The transition from a soft puppy coat to the adult coat, which on doodles arrives somewhere in the first year and is when matting trouble usually starts. The brushing routine that worked on a puppy coat does not survive a coat change.

Cording

Coat deliberately allowed and encouraged to form separate ropes rather than being brushed out. Correct for a handful of breeds, and the opposite of matting — but the two look similar enough that it is worth knowing which one you are looking at.

02 · 10 terms

Clippers and blades

The blade numbering convention is the most expensive piece of jargon on this list. Read these before you fit a blade to a dog.

Blade number

A blade’s cut length, on a scale that runs backwards: the higher the number, the shorter the cut. A #10 leaves roughly 1/16 inch; a #4 leaves roughly 3/8 inch. Read the blade size chart rather than reasoning about the numbers — reasoning about them is how dogs get accidentally shaved.

F bladealso: finish blade

A blade whose teeth are spaced more closely than the plain blade of the same number. A #4F and a #4 leave the same length; the F leaves a smoother surface and shows fewer tracking lines, at the cost of clogging faster in dense coat.

A5 bladealso: detachable blade

The shared detachable-blade standard. Andis, Wahl and Oster detachable-blade clippers all accept the same A5 steel blades, so a blade collection is portable between brands and outlives the clipper body it was bought for.

Guard combalso: snap-on comb

A plastic comb that clips over a short blade to leave a longer length. Cheaper than a set of long blades and good on straight or wavy coat, less reliable in dense or damp coat. The full argument is on blades versus guard combs.

5-in-1 blade

An adjustable blade found on many cordless clippers, stepped through roughly five lengths by a lever. Convenient for detail work; its range stops short of the longer body lengths.

Rotary motor

The motor type used in corded detachable-blade clippers. It holds its speed under load, which is what lets a clipper keep cutting when it meets dense or matted coat instead of stalling in it.

Tracking lines

The visible ridges left behind when blade travel, pressure or angle changes mid-stroke, or when a blade is going dull. The most common complaint about a home groom, and mostly a technique problem — see tracking lines.

Clipper burn

Skin irritation or a genuine burn, caused either by a hot blade or by cutting too close. A blade reaches burning temperature long before the clipper body feels warm in your hand, so the body is not a warning system — see preventing clipper burn and why clippers overheat.

Sanitary trim

The close clip around the genitals and under the tail, normally done with a #10. Short, quick, and the one clipping job almost every dog needs regardless of coat type.

Puppy cut

Not a puppy-specific cut: one even, short-ish length over the whole body with the face rounded off. The default ask at a salon, and the most forgiving thing to attempt at home.

03 · 8 terms

Brushes, rakes and deshedding

Four tool categories that look interchangeable on a shelf and do four different jobs. Two of them have cutting edges, which is the part the packaging tends not to lead with.

Slicker brush

A flat or curved pad of fine, angled wire pins. Works tangles out and lifts loose coat on most coat types; the pin tips are what make it either a good brush or a scratchy one.

Pin brush

Widely spaced pins with rounded tips and no cutting edge. The gentle option, and the right tool for line brushing a long coat.

Undercoat rake

Widely spaced blunt teeth that reach through the guard coat and pull dead undercoat out without cutting the topcoat. The core double-coat tool — see undercoat rakes.

Bladed deshedder

A deshedding tool with an actual cutting edge. It removes coat fast and visibly, and used repeatedly on a double coat it cuts guard hairs along with the undercoat, which thins and dulls the topcoat over a season.

Dematting tool

A rake of hooked blades that cut through a mat to split it into pieces a comb can then handle. A cutting tool used close to skin, so it is the one to go slowly with — see dematting tools.

Line brushing

Parting the coat flat with one hand and brushing the exposed line from the skin outward, working in sections up the dog. Slower than surface brushing, and the only method that actually reaches the skin — which is where mats form.

Carding

Pulling dead undercoat out of a wire or short coat with a fine blade or a stripping tool held flat against the coat. It flattens and tightens a jacket that brushing alone leaves fluffy.

Hand strippingalso: rolling the coat

Plucking dead wire hairs out by hand or with a stripping knife so new harsh coat grows in behind them. It is the correct way to maintain a wire coat — clipping a wire coat softens it — and it is measured in hours, spread over sessions.

04 · 4 terms

Drying

A high-velocity dryer is the tool that changes double-coat grooming most, and the two numbers printed on its box are not interchangeable.

High-velocity dryeralso: force dryer

A dryer that works by moving air hard rather than by heating it. The airflow parts the coat to the skin, which is what dries a double coat through instead of drying the outside and leaving the inside damp. See high-velocity dryers.

CFM

Cubic feet per minute — the volume of air a dryer moves. Volume is what gets a large, dense coat dry in a sensible amount of time.

FPM

Feet per minute — the speed of the air at the nozzle. Speed is what parts the coat and lifts loose undercoat away from the skin. A dryer can have one of these numbers without the other.

Blow-out

Using a high-velocity dryer to drive dead undercoat out of a double coat, usually after a bath and twice a year in earnest. It turns a six-week shed into a short, messy session — see how to blow out a double coat.

05 · 6 terms

Nails, handling and the table

The jobs owners dread most, and the vocabulary that makes them less frightening to attempt.

The quick

The blood vessel and nerve running inside the nail. Cutting it bleeds and hurts, which is the whole reason a grinder — which removes a little at a time — is easier on a nervous dog than a clipper that removes a chunk in one go.

Nail grinderalso: rotary tool

A rotating abrasive drum or stone that files the nail down in small increments. Slower per nail than a clipper, far more controllable near the quick, and noisy enough that most dogs need a week of desensitizing first. See nail grinders and clippers.

Black nails

Nails with no visible quick to aim by. You read the cut face instead: a chalky pale ring appears as you approach the quick, then a darker dot in the center, and you stop at the dot — see trimming black nails.

Dewclaw

The nail higher up the inside of the leg that never touches the ground, so it never wears down. It is the one most often missed and the one most likely to curl into the pad.

Grooming arm and loop

The post and noose that hold a dog’s head in one place on a table. It is a positioning aid and not a restraint: a dog on a grooming loop is never left alone, not for a moment. See grooming tables.

Desensitizing

Short, deliberately boring sessions that pair a tool’s sound and vibration with food, run before you ever use it for real. It is the cheapest grooming equipment there is, and it does more for a frightened dog than any upgrade.

Where to go next

Start from your dog, not the tool

If you now know which words describe your dog but not which tools follow from them, there are two entry points: the five coat types, which is the faster route, and the breed routines, which start from the dog you own and hand you to the right coat. The procedures themselves live in the guides.