Found 2 items, similar to brontosaur.
English → English (WordNet) Definition: brontosaur brontosaur n : huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic [syn: apatosaur, apatosaurus, brontosaurus, thunder lizard, Apatosaurus excelsus]
English → English (gcide) Definition: brontosaur brontosaur \bron`to*saur"\, n. [NL., fr. Gr. bronth` thunder + say^ros lizard.] (Paleon.) a dinosaur of the genus Brontosaurus; an individual may also be called a brontosaurus or an apatosaurus. [PJC] ||