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tyrannosaurus

British  
/ tɪˌrænəˈsɔːrəs, tɪˈrænəˌsɔː /

noun

  1. 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

The dinos were too freaked out about the tyrannosaurus to care what Magdalys was doing.

From "Dactyl Hill Squad" by Daniel José Older