whistle buoy whistle-blower • whistle duck · · · Info · Definitions · Synonyms · Characters · · whistle buoy · · Text Common · · Latin · · Scripts 12 · · Length 5 · · Syllables Definitions · · · (noun) a buoy that makes a whistling noise. Synonyms: whistle buoy, whistling buoy. · · Noun Definition 1 Synonyms · · · whistling buoy · · Synonym 1 Characters · · space U+0020 b latin small letter b U+0062 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 w latin small letter w U+0077 y latin small letter y U+0079