Definition of armadillo noun from the Oxford Advanced American Dictionary

 

armadillo

 noun
noun
NAmE//ˌɑrməˈdɪloʊ//
 
(pl. armadillos)
 
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a small animal that lives in the southern U.S. and Central and South America and eats insects. Its body is covered in a shell of hard plates for protection.
See the Oxford Advanced Learner's Dictionary entry: armadillo