Besor

"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."

Definition of Besor:
"glad news; incarnation"