kazoo kazi • kea · · · Info · Definitions · Characters · · kazoo · · Text Latin · · Script 5 · · Length Definitions · · · (noun) a toy wind instrument that has a membrane that makes a sound when you hum into the mouthpiece. · · Noun Definition 1 Characters · · a latin small letter a U+0061 k latin small letter k U+006B o latin small letter o U+006F z latin small letter z U+007A