apatosaurus
a·pat·o·saur·us apatosaurus
any of a genus (Apatosaurus) of huge sauropod dinosaurs of the Late Cretaceous, weighing more than 18,000 kg (20 tons)
Origin of apatosaurus
Modern Latin from Classical Greek apat?, deceit + sauros, lizard: so named by O. C. Marsh (1831–99), United States paleontologistapatosaurus
or a·pat·o·saur
noun
A very large herbivorous sauropod dinosaur of the genus Apatosaurus of the Jurassic Period, having a long neck and tail and a small head.
Origin of apatosaurus
New Latin Apatosaurus unreal lizard, genus name Greek apatē untruth, lie Greek sauros lizardapatosaurus
