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tyrannosaurus

British

/ tɪˌrænəˈsɔːrəs, tɪˈrænəˌsɔː- /

noun

any large carnivorous bipedal dinosaur of the genus Tyrannosaurus, common in North America in upper Jurassic and Cretaceous times: suborder Theropoda (theropods)

"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

Etymology

Origin of tyrannosaurus

C19: from New Latin, from Greek turannos _tyrant + sauros lizard

Example Sentences

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tyrannosaurus

It lived between 100 and 120 million years ago - around 40 million years earlier than the tyrannosaurus rex - and is about twice the size of that creature.

From BBC ● May 14, 2026

While Chris Pratt may have been a fount of charisma in the early 2010s, his well dried up by the time he ever got in front of a green-screened tyrannosaurus.

From Salon ● Jul. 3, 2025

“And it doesn’t get any more diagnostic than that, seeing these giant tyrannosaurus teeth starring back at you.”

From Seattle Times ● Jun. 3, 2024

Earlier this year, the United States returned dinosaur fossils taken out of Mongolia, including the skull of an alioramus, a smaller version of a tyrannosaurus rex that lived 70 million years ago.

From Reuters ● Nov. 20, 2023

A tyrannosaurus stomped into the yard, ducking forward so it could fit under the gate and then rearing up to its full height and stomping up mountain clouds of dust on either side.

From "Dactyl Hill Squad" by Daniel José Older

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023