鎧よろい鼠ねずみよろいねずみMeanings1nounarmadillorare termRare Japanese word for armadillo; in modern Japanese, アルマジロ is overwhelmingly more common. This term may appear in older texts or as a literal translation of 'armored rat'.See also: アルマジロ古ふるい図ず鑑かんには「鎧よろい鼠ねずみ」と書かいてあるが、今いまはアルマジロと呼よぶ。