Aeto·​sau·​rus | \ ā-¦e-tə-¦sȯr-əs, ā-¦ē- \

Definition of Aetosaurus

: a genus of small, extinct aetosaurs that lived during the late Triassic period

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First Known Use of Aetosaurus

1880, in the meaning defined above

History and Etymology for Aetosaurus

borrowed from New Latin, borrowed from Greek āetós “eagle” + New Latin -o- -o- + -saurus -saurus; from the birdlike form of the skull

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The first known use of Aetosaurus was in 1880

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Cite this Entry

“Aetosaurus.” Dictionary, Merriam-Webster, Accessed 29 Nov. 2021.

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