Walk: Gaiting pattern in which three legs are in support of the body at all times, each foot lifting from the ground one at a time in regular sequence.

Walleye: An eye with a whitish iris; a blue eye, fisheye, pearl eye.

Warrigal: A wolflike yellowish-brown wild dog of Australia.

Wean: The process of making a pup eat solid food instead of its mother's milk.
To accustom (the young of a mammal) to take nourishment other than by suckling.

Webbed: Connected by a membrane.

Webbed Toes: Toes connected by a skin membrane; important for water-retrieving dogs, providing help in swimming.

Weedy: An insufficient amount of bone; light boned.

Weimaraner: A large breed of hunting dog that originated in Germany, having a smooth grayish coat.

Well Let Down: Having short hocks; refers to short metatarsals.

Welsh Corgi: Either of two breeds of dog that originated in Wales, having a long body, short legs, and a foxlike head.

West Highland White Terrier: A small white terrier with upright ears and tail, developed in Scotland from Cairn, Scottish, and Skye terriers.

Wet Neck: Loose or superfluous skin; with dewlap.

Wheaten: Pale yellow or fawn color. The color of wheat. Color definitions may vary by breed. Always check the breed standard for the definitive color description.

Wheel Back: A marked arch of the thoracic and lumbar vertebrae.

Whelp Date: The date of birth of a litter.

Whelping: The act of birthing puppies.

Whip Tail: Carried out stiffly straight and pointed.

Whiskers: Vibrissae or sensory organs (hairs) on the sides of the muzzle.

White: The color of dog that lacks pigmentation.

Whitelies: Body color white with red or dark markings. Color definitions may vary by breed. Always check the breed standard for the definitive color description.