HOAR-FROST Meaning of HOAR-FROST in English hoar-frost BrE AmE ˌhɔː ˈfrɒst -ˈfrɔːst, ˈ•• AmE \ ˈhɔːr frɔːst ˈhoʊr-, -frɑːst Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012