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Hebrew: kerah, from its smoothness)
“At the present day frost is entirely unknown in the lower portions of the valley of the Jordan, but slight frosts are sometimes felt on the sea-coast and near Lebanon.” Throughout Western Asia cold frosty nights are frequently succeeded by warm days.
In Ps. 78:47 the word rendered “frost” (Revised Version marginal note, “great hail-stones”), hanamal, occurs only there. It is rendered by Gesenius, the Hebrew lexicographer, “ant,” and so also by others, but the usual interpretation derived from the ancient versions may be maintained.