Hackles: Hairs on neck and back raised involuntarily in fright or anger.

Hackney Action: A high lifting of the front feet accompanied by flexing of the wrist like that of a Hackney horse.

Half-Prick Ear: Also known as the semi-prick ear, ears carried erect with just the tips leaning forward.

Hallmark: A distinguishing characteristic.

Handler: One who trains or exhibits an animal, such as a dog.

Hard-Mouthed: A dog that crushes or renders game unfit for consumption.

Hare Foot: Foot on which the two center digits are appreciably longer than the outside and inside toes of the foot, and the arching of the toes is less marked, making the foot appear longer overall.

Harlequin: Patched or pied coloration, usually black or gray on white. Color definitions may vary by breed. Always check the breed standard for the definitive color description.

Harness: A leather, nylon or cloth strap shaped around the shoulders and chest, with a ring at its top for the lead.

Haunch Bones: The hip bones.

Havanese: A small breed of dog with a soft coat originating in Cuba.

Haw: A third eyelid or membrane on the inside corner of the eye.