brass knucks brass knuckles • brasslike · · · Info · Definitions · Synonyms · Characters · · brass knucks · · Text Common · · Latin · · Scripts 12 · · Length 2 · · Syllables Definitions · · · (noun) a small metal weapon; worn over the knuckles on the back of the hand. Synonyms: brass knucks, knucks, brass knuckles, knuckles, knuckle duster. · · Noun Definition 1 Synonyms · · · knucks · · Synonym 1 brass knuckles · · Synonym 2 knuckles · · Synonym 3 knuckle duster · · Synonym 4 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 k latin small letter k U+006B n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075