armadillo

Etymology

Borrowed from Spanish armadillo, diminutive of armado (“armored”), in reference to its protective plates.

noun

1. Any of the burrowing mammals covered with bony, jointed, protective plates, order Cingulata, found in the Americas, especially in South America.
   The San Juan market is Mexico City's most famous deli of exotic meats, where an adventurous shopper can hunt down hard-to-find critters …. But the priciest items in the market aren't the armadillo steaks or even the bluefin tuna. 2013-07-26, Nick Miroff, “Mexico gets a taste for eating insects …”, in The Guardian Weekly, volume 189, number 7, page 32