ornithischian

Any of various herbivorous dinosaurs of the order Ornithischia, having a pubic bone that points down and backward like that of modern birds, usually a horny beak or bill, and including the hadrosaurs and stegosaurs.

Pertaining to or having the characters of the group of dinosaurs named Ornithischia by Seeley; having the bones of the pelvis like those of a bird.

Any of a group of dinosaurs, of the order Ornithischia, that have hips characteristic of birds

herbivorous dinosaur with a pelvis like that of a bird