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Any of various extinct land mammals of the genus Indricotherium of the Oligocene and Miocene Epochs, characterized by a long neck and very large size, possibly having weighed up to 15,750 kilograms (35,000 pounds).
[New Latin Indricothērium, genus name : Russian indrik, fabulous beast in Russian folklore (probably from alteration of Old Russian inŭrogŭ, unicorn : inŭ, one; see oi-no- in Indo-European roots + rogŭ, horn) + Greek thērion, wild beast; see treacle.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A very large, extinct land mammal of the Oligocene and Miocene Epochs, related to the rhinoceros. It stood 18 feet (5.5 meters) high at the shoulder and weighed 4 times as much as an elephant. The indricotherium is thought to have been the largest land mammal ever.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.