cold front cold frame • cold fusion · · · Info · Definitions · Synonyms · Characters · · cold front · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) the front of an advancing mass of colder air. Synonyms: cold front, polar front. · · Noun Definition 1 Synonyms · · · polar front · · Synonym 1 Characters · · space U+0020 c latin small letter c U+0063 d latin small letter d U+0064 f latin small letter f U+0066 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074