Frozen rain-drops; one of the plagues of Egypt (Exodus 9:23). It is mentioned by Haggai as a divine judgment (Haggai 2:17). A hail-storm destroyed the army of the Amorites when they fought against Joshua (Joshua 10:11). Ezekiel represents the wall daubed with untempered mortar as destroyed by great hail-stones (Ezek. 13:11). (See also 38:22; Revelation 8:7; 11:19; 16:21.)
These dictionary topics are from M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition, published by Thomas Nelson, 1897. Public Domain, copy freely.
Easton, Matthew George. "Entry for 'Hail'". "Easton's Bible Dictionary".