Noun | 1. | ![]() mammal genus - a genus of mammals Canidae, family Canidae - dogs; wolves; jackals; foxes Canis familiaris, dog, domestic dog - a member of the genus Canis (probably descended from the common wolf) that has been domesticated by man since prehistoric times; occurs in many breeds; "the dog barked all night" wolf - any of various predatory carnivorous canine mammals of North America and Eurasia that usually hunt in packs Canis aureus, jackal - Old World nocturnal canine mammal closely related to the dog; smaller than a wolf; sometimes hunts in a pack but usually singly or as a member of a pair |