squall line squall cloud • squam duck · · · Info · Definitions · Synonyms · Characters · · squall line · · Text Common · · Latin · · Scripts 11 · · Length Definitions · · · (noun) a cold front along which squalls or thunderstorms are likely. · · Noun Definition 1 Synonyms · · · squall · · Synonym 1 waul · · Synonym 2 wawl · · Synonym 3 shout · · Synonym 4 shout out · · Synonym 5 cry · · Synonym 6 call · · Synonym 7 yell · · Synonym 8 scream · · Synonym 9 holler · · Synonym 10 hollo · · Synonym 11 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