ar ‧ ma ‧ dil ‧ lo /ˌɑːməˈdɪləʊ $ ˌɑːrməˈdɪloʊ/ BrE AmE noun ( plural armadillos ) [countable]
[ Date: 1500-1600 ; Language: Spanish ; Origin: armado 'armed person' ]
a small animal that has a shell made of hard material, and lives in parts of North and South America