Coarse: Considered a negative term, a dog not refined or harmonious in conformation.

Coat: The dog's hair covering. Most breeds have two coats: an outer coat and an undercoat.

Cobby: Compact, with a short body.

Cocker Spaniel: A dog of a breed originally developed in England, having long drooping ears and a variously colored silky coat.

Collar: (1) The markings around the neck, usually white. (2) A leather, nylon, or chain neck band for restraining or leading a dog when the leash is attached.

Colitis: Inflammation of the colon.

Collie: A medium-to-large dog of a breed originating in Scotland as a sheepdog, having a long narrow muzzle and either a long thick straight coat or a short hard flat coat, depending on the variety.

Colostrum: The milk secreted by the mother during the first few days following birth that provides the puppies with immunity to some diseases.