Enclosure, one of the six cities in the wilderness of Judah, noted for its "great cistern" (Josh. 15:61). It has been identified with the ruin Sikkeh, east of Bethany.
shadow; covering; defense ...
Hitchcock's Bible Names Dictionary
Or Secacah (thicket), one of the six cities of Judah which were situated in the Midbar ("wilderness...
William Smith's Bible Dictionary