variants or less commonly T-Rex
plural T. rexes also T-Rexes
: tyrannosaurus rex
Though no one can actually time a running dinosaur with a stopwatch, scientists still have some idea of how fast T. rex and his companions ran.Lilian T. Hoffecker
We don't know if T. rex hunted alone or in packs, if it pursued live prey or merely scavenged.Discover Magazine
Spielberg's dinosaurs had teeth prominently and terrifyingly on constant display, much like a modern crocodile. [Auburn University professor Thomas] Cullen and his team, however, have shown instead that the T-Rex … had lips that covered their teeth much like a modern monitor lizard.John West
T. rexes were among the largest meat-eaters on Earth during their reign … 144 million years ago. They had to eat a lot, and often, to support their enormous bodies.John Johnson Jr.

Examples of T. rex in a Sentence

Recent Examples on the Web Calling Rose a stage mother is a bit like calling a T. rex a reptile. Christopher Barnard, Vogue, 3 Oct. 2024 But Persons is of the camp that believes T. rex was indeed a runner. Sara Novak, Discover Magazine, 24 Sep. 2024 Its fossils underscore the possibility that other tyrannosaurs, such as T. rex itself, may have had fuzzy feathers, too. Riley Black, Smithsonian Magazine, 20 Sep. 2024 Should’ve bought that T. rex cookie jar, that ironstone pitcher, that surfboard, that sleigh. Paige Williams, The New Yorker, 9 Sep. 2024 See all Example Sentences for T. rex 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'T. rex.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

New Latin, short for Tyrannosaurus rex

First Known Use

1915, in the meaning defined above

Time Traveler
The first known use of T. rex was in 1915

Dictionary Entries Near T. rex

trews

T. rex

trey

Cite this Entry

“T. rex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/T.%20rex. Accessed 12 Oct. 2024.

Kids Definition

T. rex

noun
Last Updated: - Updated example sentences
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