A group of apatosaurus or brontosaurusLicensed from iStockPhoto
Origin: Modern Latin ; from Classical Greek brontē, thunder (for Indo-European base see brome) plush -saur
- brontosaurian adjective
Used by arrangement with John Wiley & Sons, Inc.
Origin: New Latin Brontosaurus, former genus name : Greek brontē, thunder + Greek sauros, lizard.