In any animal, esp. of the Herbivora, a rudimentary claw or small hoof not reaching the ground.

a toe that does not reach the ground

a vestigial (rudimentary) toe or claw which does not touch the ground, it sometimes resembles a thumb (pollex) which is smaller than the other toes

A fifth claw which is located in the inside of the front feet, and is higher than the other toes. Some dewclaws are removed as a puppy to prevent injuries (dewclaws can get ripped or torn - always keep your golden's dewclaws trimmed short).

An extra toe or functionless digit on the inside of the front legs.

An extra claw or functionless digit on the inside of the leg, a rudimentary fifth toe.

An extra claw on the inside of the leg; a rudimentary fifth toe, removed on most breeds.

Fifth digit on the inside of the legs.

A dewclaw is a functionless claw that doesn't hit the ground. Some dinosaurs had dewclaws.

A dewclaw is a vestigial digit of the paw of many mammals, birds, and reptiles (including some extinct orders, like certain therapods). It grows higher on the leg so that in digitigrade species, when the animal is standing, it does not make contact with the ground.