- any of several burrowing, chiefly nocturnal mammals constituting the family Dasypodidae, ranging from the southern U.S. through South America, having strong claws and a jointed protective covering of bony plates: used in certain areas for food.
- any edentate mammal of the family Dasypodidae of Central and South America and S North America, such as Priodontes giganteus (giant armadillo). They are burrowing animals, with peglike rootless teeth and a covering of strong horny plates over most of the body
- fairy armadillo another name for pichiciego
