GAI.Given as a proper name in RV [Note: Revised Version.] of 1Sa_17:52 until thou comest to Gai, where AV [Note: Authorized Version.] has until thou comest to the valley. The LXX [Note: Septuagint.] , as is noted in RVm [Note: Revised Version margin.] , has Gath, and this would suit the context.
Hastings' Dictionary of the Bible
Edited by James Hastings, D.D. Published in 1909
gā?ı̄ (גּיא, gay'):In the Revised Version (British and American) of 1Sa_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.).
International Standard Bible Encyclopedia
PRINTER 1915.