Int. Standard Bible Encyclopedia GAI ga'-i (gay'): In the Revised Version (British and American) of 1 Samuel 17:52 for the King James Version "valleys." the Revised Version, margin notes: "The Syriac and some editions of the Septuagint have Gath" (thus also Wellhausen, Budde, Driver, etc.).

Multi-Version Concordance Gai (1 Occurrence) 1 Samuel 17:52 The men of Israel and of Judah arose, and shouted, and pursued the Philistines, until you come to Gai, and to the gates of Ekron. The wounded of the Philistines fell down by the way to Shaaraim, even to Gath, and to Ekron. (WEB JPS ASV)