\Tat"ou*ay\, n. [Of Brazilian origin; cf. Pg. tatu, F.
tatou.] (Zo["o]l.)
An armadillo ({Xenurus unicinctus}), native of the tropical
parts of South America. It has about thirteen movable bands
composed of small, nearly square, scales. The head is long;
the tail is round and tapered, and nearly destitute of
scales; the claws of the fore feet are very large. Called
also {tatouary}, and {broad-banded armadillo}.