Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
Esek
Quarrel, a well which Isaac's herdsmen dug in the valley of Gerar, and so called because the herdsmen of Gerar quarrelled with them for its possession (Gen. 26:20).
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.