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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

Nicolas Cage reportedly purchased a tyrannosaurus skull for more than £185,000 in 2007 after a bidding war with Leonardo DiCaprio, though he returned it after it emerged that it had been stolen.

From BBC • May 30, 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

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