When you sign your name in your own handwriting, that is your signature. Things you can put your signature on include checks, permission slips, letters, stays of execution, and declarations of independence.

Signature isn't just about signing your name on the dotted line. A characteristic mark, tune, or style is also called a signature. Perhaps you have a favorite outfit or style that you consider your signature look. "I Did It My Way" was a signature tune of Frank Sinatra. In music, the signature indicates what key the song is set in by showing the sharps and flats.

Definitions of signature

n your name written in your own handwriting

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a signature written by one person for another
John Hancock, autograph
a person's own signature
countersign, countersignature
a second confirming signature endorsing a document already signed
endorsement, indorsement
a signature that validates something
sign manual
the signature of a sovereign on an official document
blank endorsement, endorsement in blank
an endorsement on commercial paper naming no payee and so payable to the bearer
Type of:
a language unit by which a person or thing is known

n a distinguishing style

common touch
the property of appealing to people in general (usually by appearing to have qualities in common with them)
Type of:
fashion, manner, mode, style, way
how something is done or how it happens

n a melody used to identify a performer or a dance band or radio/tv program

signature tune, theme song
Type of:
air, line, melodic line, melodic phrase, melody, strain, tune
a succession of notes forming a distinctive sequence

n the sharps or flats that follow the clef and indicate the key

key signature
Type of:
musical notation
(music) notation used by musicians

n a sheet with several pages printed on it; it folds to page size and is bound with other signatures to form a book

Type of:
piece of paper, sheet, sheet of paper
paper used for writing or printing

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