| Noun | 1. | aardvark - nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentataeutherian, eutherian mammal, placental, placental mammal - mammals having a placenta; all mammals except monotremes and marsupials genus Orycteropus, Orycteropus - coextensive with the family Orycteropodidae |