Any of various amphibious dinosaurs of the genus Anatosaurus and related genera that had webbed feet and a ducklike bill. Also called duckbill, duck-billed dinosaur. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "hadrosaur" in a sentence
"MANNING: A hadrosaur is a distinct group of ormafiskin (ph), bird-hip dinosaurs that were quite common at the end of the cretaceous, which was literally the last gasp of the age of dinosaurs."
"(Dalla Vecchia 2009) (throughout this article, I'll be using 'hadrosaur' as a vernacular term for both Hadrosauridae, and for Hadrosauroidea),"
"I didn't need to see Rick Marshall pour hadrosaur urine all over himself."