signature recognition signature mark • signature tune · · · Info · Definitions · Characters · · signature recognition · · Text Common · · Latin · · Scripts 21 · · Length 7 · · Syllables Definitions · · · (noun) biometric identification by automatically scanning a person's signature and matching it electronically against a library of known signatures. Synonyms: signature recognition. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075