'ceratopsian' definitions:

Definition of 'ceratopsian'

From: WordNet
noun
Any of several four-footed herbivorous dinosaurs with enormous beaked skulls; of the late Cretaceous in North America and Mongolia [syn: ceratopsian, horned dinosaur]

Definition of 'ceratopsian'

From: GCIDE
  • ceratopsian \ceratopsian\ n. any of several four-footed herbivorous horned dinosaurs with enormous beaked skulls, of the late Cretaceous in North America and Mongolia.
  • Syn: horned dinosaur. [WordNet 1.5]