any of an order (Ornithischia) of plant-eating dinosaurs with a birdlike pelvic structure, including the stegosaurus and triceratops
Origin of ornithischian; from Modern Latin Ornithischia ; from ornitho- + ischium
of the ornithischians
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.
Origin of ornithischianFrom New Latin Orn&imacron;thischia, order name : ornith(o)– + Greek iskhion, hip joint.