from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun 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.

from The Century Dictionary.

  • noun A genus of predentate dinosaurs belonging to the family Ceratopsidæ.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Common name of the extinct genus Triceratops; a herbivorous ceratopsid from the late Cretaceous.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun huge ceratopsian dinosaur having three horns and the neck heavily armored with a very solid frill


from The American Heritage® Dictionary of the English Language, 4th Edition

[New Latin Tricerātōps, genus name : Greek tri-, tri- + Greek keras, kerāt-, horn; see ker- in Indo-European roots + Greek ōps, eye, face; see okw- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

New Latin, from Ancient Greek τρί-, stem of τρεῖς (treis, "three") + κέρατ-, stem of κέρας (keras, "horn") + ὤψ (ops, "face").


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