Ages, Rock of
International Standard Bible Encyclopedia · James Orr and contributors
Applied to Yahweh as an encouragement for trust (Isa 26:4 the Revised Version, margin; the King James Version "everlasting strength").
Source of the article
International Standard Bible Encyclopedia — James Orr, general editor and contributors; CrossWire SWORD module ISBE 2.2
Bible Strong digital edition from CrossWire module 2.2; historical scholarship originally published in 1915