hadrosaur

noun

had·​ro·​saur ˈha-drə-ˌsȯr 

: any of a genus (Hadrosaurus) or family (Hadrosauridae) of mainly bipedal dinosaurs of the Late Cretaceous that have the forward part of the jaws toothless and flattened into a beak-like snout and the back part of the jaws filled with rows of numerous small, grinding teeth and that often have a solid or hollow bony crest on the skull : duck-billed dinosaur

… the hadrosaurs evolved into some 21 different species during their 20 million-year stint on earth …

—Virginia Morell

Word History

Etymology

New Latin Hadrosaurus, genus name, from Greek hadros thick, bulky + sauros lizard

First Known Use

1877, in the meaning defined above

Rhymes for hadrosaur

• albacore
• alongshore
• antiwar
• anymore
• blastopore
• carnivore
• commodore
• dinosaur
• evermore
• furthermore
• guarantor
• herbivore