Sou`tane" (?), n. [F., fr. Sp. sotana, or It. sottana, LL. subtana, fr. L. subtus below, beneath, fr. sub under.] Eccl. Costume
A close garnment with straight sleeves, and skirts reaching to the ankles, and buttoned in front from top to bottom; especially, the black garment of this shape worn by the clergy in France and Italy as their daily dress; a cassock.
© Webster 1913.