Ag·​a·​thau·​mas | \ ˌa-gə-ˈthȯ-məs \

Definition of Agathaumas

: a genus of herbivorous dinosaurs related to and possibly not distinct from Triceratops

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First Known Use of Agathaumas

1876, in the meaning defined above

History and Etymology for Agathaumas

borrowed from New Latin, from Greek aga-, intensifying prefix + New Latin -thaumant-, -thaumas, derivative of Greek thaûma “wonder, marvel” (perhaps after Thaûmas, a son of Pontus and Gaia)

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The first known use of Agathaumas was in 1876

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Cite this Entry

“Agathaumas.” Dictionary, Merriam-Webster, Accessed 14 May. 2021.

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