pro·​to·​cer·​a·​tops ˌprō-(ˌ)tō-ˈser-ə-ˌtäps How to pronounce protoceratops (audio)
: any of a genus (Protoceratops) of small herbivorous ceratopsian dinosaurs of the Late Cretaceous that lacked horns

Word History


New Latin, from prot- + Ceratops, a genus — more at ceratopsian

First Known Use

1979, in the meaning defined above

Time Traveler
The first known use of protoceratops was in 1979

Dictionary Entries Near protoceratops

Cite this Entry

“Protoceratops.” Dictionary, Merriam-Webster, Accessed 3 Oct. 2023.

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