Sack″cloth′ (?; 115), n. Linen or cotton cloth such as sacks are made of; coarse cloth; anciently, a cloth or garment worn in mourning, distress, mortification, or penitence.
Gird you with sackcloth, and mourn before Abner. 2 Sam. iii. 31.
Thus with sackcloth I invest my woe. Sandys.