n. any member of the Cynodontia, a group of small carnivorous reptiles. [ WordNet 1.5 ]

n. a division of Triassic Therapsida comprising small carnivorous reptiles often with mammallike teeth.
Syn. -- division Cynodontia. [ WordNet 1.5 ]

n. [ Gr. di- = di`s- twice + &unr_; dog + 'odoy`s, 'odo`ntos, tooth. ] (Paleon.) One of a group of extinct reptiles having the jaws armed with a horny beak, as in turtles, and in the genus Dicynodon, supporting also a pair of powerful tusks. Their remains are found in triassic strata of South Africa and India. [ 1913 Webster ]