- any herbivorous dinosaur of the suborder Ornithopoda whose members usually walked erect on their hind legs.
- any herbivorous typically bipedal ornithischian dinosaur of the suborder Ornithopoda, including the iguanodon
n.1888, from Modern Latin Ornithopoda (1881), from ornitho- + Greek podos, genitive of pous “foot” (see foot (n.)).
- One of the main types of ornithischian dinosaurs, including the hadrosaurs. Ornithopods walked on their hind legs and had three blunt toes on each foot. They lived from the late Triassic Period until the end of the Cretaceous Period.