from the GNU version of the Collaborative International Dictionary of English

  • A general name for all those placental mammals that have a brain with few or no cerebral convolutions, as Rodentia, Insectivora, etc.

from The Century Dictionary and Cyclopedia

  • Those mammals which have smooth brains; in Owen's system of classification, one of four prime divisions of Mammalia.


Sorry, no etymologies found.


    Sorry, no example sentences found.


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