Tracking Dog (TD): A title awarded to a dog that has been recorded a Tracking Dog as a result of having passed an AKC-licensed or -member tracking test. The title may be combined with the UD (Utility Dog) title and shown as UDT.

Trail: To hunt by following ground scent.

Training Collar: A collar made of nylon, leather, or chain, fitted to the dog's neck in such a manner that the degree of tension exerted by the hand tightens or loosens it. Also called choke collar or slip collar.

Triangular Eye: The eye set in surrounding tissue of triangular shape; three-cornered eye.

Tricolor: Three colors in the coat: white, black, and tan (Prince Charles in English Toy Spaniel breed). Color definitions may vary by breed. Always check the breed standard for the definitive color description.

Trim: To groom the coat by stripping, clipping or scissoring.

Trot: A rhythmic two-beat diagonal gait in which the feet at diagonal opposite ends of the body strike the ground together; i.e., right hind with left front and left hind with right front.

Trousers: Longish hair at the back of both upper and lower thighs.

Trumpet: The slight depression or hollow on either side of the skull just behind the orbit or eye socket; the region comparable with the temple in man.

Truncated: Cut off.

Tuck-Up: Characterized by markedly shallower body depth at the loin. Small-waisted.

Tulip Ear: An ear carried erect with edges curving in and forward.

Turn-Up: An up-tilted foreface.

Twisting Hocks: A gaiting fault in which the hock joints twist both ways as they flex or bear weight. Also called rubber hocks.

Type: Sum of qualities that distinguish dogs of one breed (breed type) or dogs from one kennel (kennel type) from others.