| genus apatosaurus | (n) large quadrupedal herbivorous dinosaurs with very long neck and tail; late Jurassic, Syn. genus Brontosaurus |
| apatosaur | (n) huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic, Syn. brontosaurus, Apatosaurus excelsus, apatosaurus, thunder lizard, brontosaur |
| Apatosaurus | n. |
| アパトサウルス | [apatosaurusu] (n) apatosaurus (lat [Add to Longdo] |
| 雷竜 | [らいりゅう, rairyuu] (n) (obsc) brontosaurus; apatosaurus (dinosaur) [Add to Longdo] |