any of a family (Dasypodidae) of burrowing edentate mammals with an armorlike covering of bony plates, ranging from the S U.S. to Argentina: they are mostly nocturnal, and a few species roll up into a ball when attacked
Origin of armadilloSp, diminutive of armado, armored ; from Classical Latin armatus: see armada
Any of various omnivorous burrowing mammals of the family Dasypodidae, native to southern North America and Central and South America and characterized by an armorlike covering consisting of jointed bony plates.
Origin of armadilloSpanish, diminutive of armado, armored, past participle of armar, to arm, from Latin armare, from arma, arms; see ar- in Indo-European roots.
larger hairy armadillo
(plural armadillos or armadilloes)