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hadrosaur

[ had-ruh-sawr ]
/ 藞h忙d r蓹藢s蓴r /
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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

<New Latin Hadrosaurus (1858) genus name, equivalent to Greek hadr(贸s) thick, bulky + -o--o- + sa没ros-saur

OTHER WORDS FROM hadrosaur

had路ro路sau路ri路an, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2023

How to use hadrosaur in a sentence

British Dictionary definitions for hadrosaur

hadrosaur

hadrosaurus (藢h忙dr蓹藞s蓴藧r蓹s)

/ (藞h忙dr蓹藢s蓴藧) /

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 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for hadrosaur

hadrosaur
[ h膬dr蓹-s么r鈥 ]

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庐 Science Dictionary Copyright 漏 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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