Definify.com
Webster 1913 Edition
Frosting
Frost′ing
,Noun.
1.
A composition of sugar and beaten egg, used to cover or ornament cake, pudding, etc.
2.
A lusterless finish of metal or glass; the process of producing such a finish.
Webster 1828 Edition
Frosting
FROST'ING
,ppr.
FROST'ING
,Noun.