Shar-Pei: A Chinese breed of medium-sized dog having loose wrinkled skin, a short rough coat, and a blue-black mouth and tongue. Also called Chinese Shar-Pei.

Shelly: A shallow, narrow body, lacking the correct amount of bone.

Shetland Sheepdog: A herding dog of a breed developed in the Shetland Islands, having a rough coat and resembling a small collie.

Shock: A generally temporary massive physiological reaction to severe physical or emotional trauma, usually characterized by marked loss of blood pressure and depression of vital processes.

Short Back: See Close-Coupled

Show Quality: A pedigreed dog meeting the official breed standard and thus able to compete in dog shows.