The definition of frost is the icy crystals on things that are frozen, a temperature low enough to freeze or the state of being frozen.(noun)
Frost is defined as to cover with icing or a layer of ice crystals.(verb)
See frost in Webster's New World College Dictionary
Origin: ME < OE forst, frost (akin to Ger frost) < pp. base of freosan (see freeze) + -t (Gmc *-ta), nominal suffix
See frost in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English; see preus- in Indo-European roots.
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