calm air calm • calm down · · · Info · Definitions · Synonyms · Characters · · calm air · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) wind moving at less than 1 knot; 0 on the Beaufort scale. Synonyms: calm air, calm. · · Noun Definition 1 Synonyms · · · calm · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D r latin small letter r U+0072