nounC2Very rare — outside the 30,000 commonest English words, so you will meet it in writing rather than in speechToo rare in one of the two pools to compare — fewer than 20 uses in speech or in writing
A small animal in bony plates that rolls into a ball when frightened.
Definitions of armadillo
1nounarmadilloA small animal in bony plates that rolls into a ball when frightened.C2