Cold, a ravine or brook in the extreme south-west of Judah, where 200 of David’s men stayed behind because they were faint, while the other 400 pursued the Amalekites (1 Sam. 30:9, 10, 21). Probably the Wadyes Sheriah, south of Gaza.
M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition