signature meaning and definition

SIGNATURE noun

Definition of signature (noun)

1. your name written in your own handwriting
2. a distinguishing style
   • "this room needs a woman's touch"
   • synonyms: touch
3. a melody used to identify a performer or a dance band or radio/tv program
   • synonyms: signature tune, theme song
4. the sharps or flats that follow the clef and indicate the key
   • synonyms: key signature
5. a sheet with several pages printed on it; it folds to page size and is bound with other signatures to form a book