[ sig-nuh-cher, -choo r ]
/ ˈsɪg nə tʃər, -ˌtʃʊər /



serving to identify or distinguish a person, group, etc.: a signature tune.

Origin of signature

1525–35; < Medieval Latin signātūra a signing, equivalent to Latin signāt(us) past participle of signāre to mark (see sign, -ate1) + -ūra -ure


sig·na·ture·less, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for signature

British Dictionary definitions for signature

/ (ˈsɪɡnɪtʃə) /


the name of a person or a mark or sign representing his name, marked by himself or by an authorized deputy
the act of signing one's name
  1. a distinctive mark, characteristic, etc, that identifies a person or thing
  2. (as modifier)a signature fragrance
US the part of a medical prescription that instructs a patient how frequently and in what amounts he should take a drug or agentAbbreviation: Sig, S
  1. a sheet of paper printed with several pages that upon folding will become a section or sections of a book
  2. such a sheet so folded
  3. a mark, esp a letter, printed on the first page of a signature

Word Origin for signature

C16: from Old French, from Medieval Latin signātura, from Latin signāre to sign
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for signature

[ sĭgnə-chər ]


The part of a physician's prescription containing directions to the patient.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.