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|Noun||1.||gnawing mammal - relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawing|
eutherian, eutherian mammal, placental, placental mammal - mammals having a placenta; all mammals except monotremes and marsupials
Duplicidentata - in former classifications considered a suborder of Rodentia coextensive with the order Lagomorpha: gnawing animals
Lagomorpha, order Lagomorpha - rabbits; hares; pikas; formerly considered the suborder Duplicidentata of the order Rodentia