Noun: ornithischian ,or-nu'this-kee-un
- Herbivorous dinosaur with a pelvis like that of a bird
"The Stegosaurus was a well-known ornithischian";
- ornithischian dinosaur
Derived forms: ornithischians
Type of: dino [informal], dinosaur
Part of: order Ornithischia, Ornithischia
Encyclopedia: Ornithischian