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brontotherium

Brontotherium is a 13 letter word which starts with the letter B and ends with the letter M for which we found 1 definitions.

Definition
(n.) A genus of large extinct mammals from the miocene strata of western North America. They were allied to the rhinoceros but the skull bears a pair of powerful horn cores in front of the orbits and the fore feet were four-toed. See Illustration in Appendix.
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