SACK'CLOTH, noun [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. 2 Samuel 3:31. Esther 4:1. Job 16:15.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI