1.A bag for holding and carrying goods of any kind; a receptacle made of some kind of pliable material, as cloth, leather, and the like; a large pouch.
2.A measure of varying capacity, according to local usage and the substance. The American sack of salt is 215 pounds; the sack of wheat, two bushels.
3.Originally, a loosely hanging garment for women, worn like a cloak about the shoulders, and serving as a decorative appendage to the gown; now, an outer garment with sleeves, worn by women; as, a dressing sack. (Written also sacque)
4.A sack coat; a kind of coat worn by men, and extending from top to bottom without a cross seam.