bunion Buninahua • bunk · · · Info · Definitions · Characters · · bunion · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a painful swelling of the bursa of the first joint of the big toe. · · Noun Definition 1 Characters · · b latin small letter b U+0062 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F u latin small letter u U+0075