squall line squallish • squally · · · Info · Definitions · Characters · · squall line · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) a cold front along which squalls or thunderstorms are likely. Synonyms: squall line. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E q latin small letter q U+0071 s latin small letter s U+0073 u latin small letter u U+0075