DOG: A domesticated carnivorous mammal that typically has a long snout, an acute sense of smell, and a barking, howling, or whining voice. It is widely kept as a pet or for work or field sports.
Canis familiaris, family Canidae (the dog family); probably domesticated from the wolf in the Mesolithic period. The dog family also includes wolves, coyotes, jackals, and foxes.
Canophilia is the love of dogs. Canophilist is a dog lover. Cynophilist one who loves dogs and other canidae.