KJV Dictionary Definition: sackcloth
SACK'CLOTH, n. sack and cloth. Cloth of which sacks are made; coarse cloth. This word is chiefly used in Scripture to denote a cloth or garment worn in mourning, distress or mortification.
Gird you with sackcloth and mourn before Abner. 2Sam. 3.
Esther 4. Job 46.
SACK'CLOTHED, a. Clothed in sackcloth.