Cloth made of black goats' hair, coarse, rough, and thick, used for sacks, and also worn by mourners ( Genesis 37:34 ; 42:25 ; 2 Samuel 3:31 ; Esther 4:1,2 ; Psalm 30:11 , etc.), and as a sign of repentance ( Matthew 11:21 ). It was put upon animals by the people of Nineveh ( Jonah 3:8 ).
Source
- part_of
source-manifest/easton— Easton's Bible Dictionary (PD)