hadrosaur
a bipedal dinosaur of the genus Hadrosaurus, belonging to the ornithopod family Hadrosauridae of the late Cretaceous Period, having broad, flat jaws for scooping up water plants.
Origin of hadrosaur
1- Also called duck-billed dinosaur.
Other words from hadrosaur
- had·ro·sau·ri·an, adjective
Words Nearby hadrosaur
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use hadrosaur in a sentence
The remains, which fell from outcroppings of the Prince Creek Formation, represent seven dinosaur families including tyrannosaurs, duck-billed hadrosaurs and horned and frilled ceratopsids.
For some dinosaurs, the Arctic may have been a great place to raise a family | Nikk Ogasa | June 24, 2021 | Science News
British Dictionary definitions for hadrosaur
hadrosaurus (ˌhædrəˈsɔːrəs)
/ (ˈhædrəˌsɔː) /
any one of a large group of bipedal Upper Cretaceous dinosaurs of the genus Anatosaurus, Maiasaura, Edmontosaurus, and related genera: partly aquatic, with a duck-billed skull and webbed feet: Also called: duck-billed dinosaur
Origin of hadrosaur
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for hadrosaur
[ hăd′rə-sôr′ ]
Any of various medium-sized to large dinosaurs of the group Hadrosauroidea of the Cretaceous Period. Hadrosaurs had a duck-like bill and a mouth containing many series of rough grinding teeth for chewing tough plants. They walked on two legs or on all fours and had hoofed feet. Many hadrosaurs bore hollow crests on their skulls. They were the last and largest ornithopod dinosaurs. Also called duck-billed dinosaur
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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