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

: tyrannosaurid

Examples of tyrannosaur in a Sentence

Recent Examples on the Web

The latest study represents the first time that tyrannosaurs have been identified in deposits of this age in the region, according to the researchers. —Daniel R. Depetris, Newsweek, 6 Dec. 2024

Meat-eaters like tyrannosaurs and Velociraptors all belong to a group of dinosaurs called theropods. —Laura Baisas, Popular Science, 5 Dec. 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

My kids giggle in delight while standing in front of the subwoofer and feeling the heavy thud of a tyrannosaur’s footsteps tickle their shins. —Adrienne So, WIRED, 1 Apr. 2020

Word History

Etymology

New Latin Tyrannosaurus, from Greek tyrannos tyrant + sauros lizard

First Known Use

1905, in the meaning defined at sense 1

Kids Definition

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