Of or pertaining to a dog; having the character or qualities of dogs; characteristic of dogs; like or likened to a dog.Specifically, of or pertaining to the Canidæ.Affecting or derived from dogs: as, canine rabies; canine virus.Pertaining to a canine or dog-tooth.The conical processes on the inside of the mandible of an insect, toward its apex.n. A dog.n. Technically, in zoology, one of the Canidæ or Canina; a dog, wolf, fox, fennec, or jackal; a cynoid, thoöid, or alopecoid.n. One of the four sharp-pointed tearing-teeth of most mammals, situated one on each side of each jaw, opposite one another, between the incisors or cutting-teeth and the molars or grinders.n. One of the sharp teeth which project beyond the others in the jaw of a fish.