apatosaurus
Pronunciation: /əˌpatəˈsɔːrəs/
Definition of apatosaurus
noun
- a huge herbivorous dinosaur of the late Jurassic period, with a long neck and tail. Formerly called brontosaurus.
- Genus Apatosaurus (formerly Brontosaurus), infraorder Sauropoda, order Saurischia
Origin:
modern Latin, from Greek apatē 'deceit' + sauros 'lizard'