: a genus of extinct mammals (order Embrithopoda) of the Oligocene of Egypt having limbs resembling those of the elephant and a pair of large horns

Word History


New Latin, irregular from Arsinoë II †271 b.c. queen of Egypt + New Latin -therium

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Dictionary Entries Near Arsinoitherium

Cite this Entry

“Arsinoitherium.” Dictionary, Merriam-Webster, Accessed 10 Dec. 2023.

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