n. 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. [New Latin Diplodocus, genus name : Greek diplo-, diplo- + Greek dokos, beam; see dek- in the Appendix of Indo-European roots.] |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.