Easton's Bible Dictionary (1897)
A shaking, a hill, on the north side of which Joshua was buried (Josh. 24:30; Judg. 2:9), in the territory of Ephraim. (See TIMNATH-SERAH.)
Smith's Bible Dictionary (1863)
(earthquake), a hill of Ephraim, where Joshua was buried. The brooks or valley of Gaash, (2 Samuel 23:30; 1 Chronicles 11:32) were probably at the foot of the hill.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
GA'ASH (earthquake), the hill where Joshua was buried. Josh 24:30; Jud 2:9. South of Tibneh, which is identified as Timnath-serah, is a hill, upon the north side of which are tombs; hence it is supposed to be " the hill Gaash."
Hitchcock's Bible Names (1869)
tempest; commotion