Pronunciation: - ' so ̇ r- ə d
Function: noun
Etymology: New Latin Tyrannosauridae, from Tyrannosaurus
Date: 1966
: any of a family ( Tyrannosauridae ) of large bipedal carnivorous theropod dinosaurs of the Late Cretaceous in No. America and central and eastern Asia having forelegs reduced in size and including the tyrannosaur