tri·cer·a·tops 
(trī-sĕrə-tŏps′)
(trī-sĕrə-tŏps′)n.
A large ceratopsian dinosaur of the genus Triceratops of the Cretaceous Period, having a large bony frill at the back of the skull, a pair of horns above the eyes, and a single horn on the nose.
[New Latin Tricerātōps, genus name : Greek tri-, tri- + Greek keras, kerāt-, horn; see ker-1 in the Appendix of Indo-European roots + Greek ōps, eye, face; see okw- in the Appendix of Indo-European roots.]