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tyrannosaur

Pronunciation: /tɪˈranəsɔː, tʌɪ-/

(also tyrannosaurus /tɪˌranəˈsɔːrəs/)

Definition of tyrannosaur

noun

a very large bipedal carnivorous dinosaur of the late Cretaceous period, with powerful jaws and small claw-like front legs.
- Family Tyrannosauridae, infraorder Carnosauria, suborder Theropoda: several species, in particular Tyrannosaurus rex