any of a genus (Diplodocus) of huge, plant-eating sauropod dinosaurs of the Jurassic and Cretaceous periods
Origin of diplodocusModern Latin ; from diplo- + Classical Greek dokos, main supporting beam: coined (1878) by O. C. Marsh: see apatosaurus
A very large herbivorous sauropod dinosaur of the genus Diplodocus of the Jurassic Period, having a long neck and tail and a small head, and hind legs longer than the front legs.
Origin of diplodocusNew Latin Diplodocus, genus name : Greek diplo-, diplo- + Greek dokos, beam; see dek- in Indo-European roots.
From diplo- (“double”) + Ancient Greek δοκός (dokos, “beam”).