(n) any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs, Syn. bird-footed dinosaur, theropod dinosaur
‖n. pl. [ NL., fr. Gr. qh`r a beast + &unr_;, &unr_;, foot. ] (Paleon.) An order of carnivorous dinosaurs in which the feet are less birdlike, and hence more like those of an ordinary quadruped, than in the Ornithopoda. It includes the rapacious genera Megalosaurus, Creosaurus, and their allies. [ 1913 Webster ]