apatosaur

== English == === Etymology === From scientific Latin Apatosaurus (genus name). === Noun === apatosaur (plural apatosaurs) A large, herbivorous, gregarious sauropod dinosaur, of the genus Apatosaurus, from Jurassic North America; it had a long neck and tail. ==== Synonyms ==== apatosaurus brontosaurus, brontosaur (according to some scholars) ==== Translations ====