plural noun

: a group of large dinosaurs, usually made a suborder of the order Ornithischia, known chiefly from the Upper Cretaceous of North America and Mongolia, and comprising animals of robust build that walked on all four feet and had an enormously developed skull, long horns, and a sharp horny beak see triceratops
ceratopsian adjective or noun

Word History


New Latin, from Ceratops + -ia

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Dictionary Entries Near Ceratopsia

Cite this Entry

“Ceratopsia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ceratopsia. Accessed 14 Apr. 2024.

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