Definitions of anteater:

noun: any of several tropical American mammals of the family Myrmecophagidae which lack teeth and feed on ants and termites
noun: burrowing spine-covered monotreme of Australia having a long snout and claws for hunting ants and termites
noun: New Guinea echidnas
noun: small Australian marsupial having long snout and strong claws for feeding on termites; nearly extinct
noun: nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata
noun: toothless mammal of southern Africa and Asia having a body covered with horny scales and a long snout for feeding on ants and termites