noun Ag·a·thau·mas \ˌa-gə-ˈthȯ-məs\

Definition of Agathaumas

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

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Origin and Etymology of 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) — more at agalinis, theater

First Known Use: 1876

Seen and Heard

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feeling or affected by lethargy

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