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 armāre from arma arms ; see ar- in Indo-European roots.
larger hairy armadillo
(plural armadillos or armadilloes)