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hadrosaur
[ had-ruh-sawr ]
/ ˈhæd rəˌsɔr /
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noun
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.
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Also called duck-billed dinosaur.
Origin of hadrosaur
OTHER WORDS FROM hadrosaur
had·ro·sau·ri·an, adjectiveWords nearby hadrosaur
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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
hadrosaur
hadrosaurus (ˌhædrəˈsɔːrəs)
/ (ˈhædrəˌsɔː) /
noun
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 feetAlso called: duck-billed dinosaur
Word Origin for hadrosaur
C19: from Greek hadros thick, fat + -saur
Collins 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
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
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