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from the GNU version of the Collaborative International Dictionary of English

  • A group of large, extinct, herbivorous mammals, common in the Tertiary formation of the United States.

from The Century Dictionary and Cyclopedia

  • A suborder of Eocene mammals belonging to the Subungulata, or many-toed hoofed quadrupeds, of elephantine proportions and structure of the limbs.


Sorry, no etymologies found.


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