tyrannosaur
noun
ty·ran·no·saur
tə-ˈra-nə-ˌsȯr 
tī-
plural tyrannosaurs
1
: a massive North American tyrannosaurid dinosaur (Tyrannosaurus rex) : tyrannosaurus rex
2
Examples of tyrannosaur in a Sentence
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Not far away, a duo of large tyrannosaurs appear to have been stalking the other dinosaurs.
—
Andrew Paul, Popular Science, 23 July 2025
The earliest tyrannosaurs evolved about 166 million years ago.
—Riley Black, Smithsonian Magazine, 22 July 2025
Its descendants grew increasingly larger and became true tyrannosaurs, the dominant predators in North America in the late Cretaceous period.
—Sara Hashemi, Smithsonian Magazine, 13 June 2025
Then, about 12 million years after that, some of these tyrannosaurs made their way back to Asia in a second migration.
—Sara Hashemi, Smithsonian Magazine, 13 June 2025
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Andrew Paul, Popular Science, 23 July 2025
The earliest tyrannosaurs evolved about 166 million years ago.
—Riley Black, Smithsonian Magazine, 22 July 2025
Its descendants grew increasingly larger and became true tyrannosaurs, the dominant predators in North America in the late Cretaceous period.
—Sara Hashemi, Smithsonian Magazine, 13 June 2025
Then, about 12 million years after that, some of these tyrannosaurs made their way back to Asia in a second migration.
—Sara Hashemi, Smithsonian Magazine, 13 June 2025
See All Example Sentences for tyrannosaur
Cite this Entry
“Tyrannosaur.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tyrannosaur. Accessed 6 Aug. 2025.
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tyrannosaur
noun
ty·ran·no·saur
tə-ˈran-ə-ˌsȯ(ə)r
tī-
: a very large North American flesh-eating dinosaur of the Cretaceous period that had small forelegs and walked on its hind legs
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