अंग्रेजी अंग्रेजी शब्दकोश

An order of reptiles, including the tortoises and turtles, peculiar in having a part of the vertebrae, ribs, and sternum united with the dermal plates so as to form a firm shell. The jaws are covered by a horny beak. See Reptilia; also, Illust. in Appendix.