Scabby; itch.
1) One of David's warriors (2 Sam. 23:38), an Ithrite.
2) A hill near Jerusalem (Jer. 31:39), probably the hill of lepers, and consequently a place outside the boundary of the city.
a scab ...
Hitchcock's Bible Names Dictionary
(scabby), one of the heroes of David's army. (2 Samuel 23:38) ...
William Smith's Bible Dictionary