|Easton's Bible Dictionary|
Foundation, a place in the open desert wastes on the east of Jordan (Judges 8:10), not far beyond Succoth and Penuel, to the south. Here Gideon overtook and routed a fugitive band of Midianites under Zeba and Zalmunna, whom he took captive.
Int. Standard Bible Encyclopedia
kar'-kor (qarqor): A place where Gideon surprised and overwhelmed the remnants of the army of Zeba and Zalmunnah (Judges 8:10). It probably corresponds to Qarkar mentioned by Shalmaneser II, S. of Hamath (KB, I, 173).
Karkor (1 Occurrence)
Judges 8:10 Now Zebah and Zalmunna were in Karkor, and their armies with them, about fifteen thousand men, all who were left of all the army of the children of the east; for there fell one hundred twenty thousand men who drew sword. (WEB KJV JPS ASV BBE DBY WBS YLT NAS RSV NIV)