any of various dinosaurs of the genus Triceratops, of the late Cretaceous Period, having a bony crest on the neck, a long horn over each eye, and a shorter horn on the nose.

Origin of triceratops

1890–95; < New Latin < Greek trikérat(os) three-horned (see tri-, cerat-), + ṓps face, eye Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for triceratops

Contemporary Examples of triceratops

Historical Examples of triceratops

  • Altogether, Triceratops is very different to any other Dinosaur.

    Extinct Monsters

    H. N. Hutchinson

  • We might have showed him the work of the mound-builders, or the bones of the Triceratops, they are older yet.

    The home

    Charlotte Perkins Gilman

  • “That, as it happens, was not the case with Triceratops,” he added.


    Allen Chaffee

  • Its latest member is Thescelosaurus, a contemporary of Triceratops.


    William Diller Matthew

  • A huge monster of the Triceratops prorsus species had entered the camp.

British Dictionary definitions for triceratops



any rhinoceros-like herbivorous dinosaur of the ornithischian genus Triceratops, of Cretaceous times, having a heavily armoured neck and three horns on the skull

Word Origin for triceratops

C19: from New Latin, from tri- + Greek kerat-, keras horn + ōps eye
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for triceratops

dinosaur genus, 1892, from Greek trikeratos "three-horned" + ops "face," literally "eye," from PIE *okw- "to see" (see eye (n.)). The first element is from tri- "three" (see three) + keras (genitive keratos) "horn" (see kerato-).

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for triceratops



A large herbivorous dinosaur of the genus Triceratops of the late Cretaceous Period, measuring up to 7.6 m (25 ft) in length. Triceratops had a squat, tanklike body, a beaklike mouth with a short horn over it, and a long horn over each eye. The back of its neck was covered with a wide, bony plate.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.