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triceratops Definition

tri·cera·tops (trī ser′ə täps′)

noun

any of a genus (Triceratops) of massive, four-legged ceratopsian dinosaurs of the Cretaceous having a large, bony crest over the neck, a long horn above each eye, and a short horn on the nose

Etymology: ModL < tri- (see tri-) + cerat- (see cerato-) + Gr ōps, eye