sig·na·ture
ˈsig-nə-ˌchu̇r 
-chər,
-ˌtyu̇r,
-ˌtu̇r
1
a
: the act of signing one's name to something
b
: the name of a person written with his or her own hand
2
: a feature in the appearance or qualities of a natural object formerly held to indicate its utility in medicine
3
a
: a letter or figure placed usually at the bottom of the first page on each sheet of printed pages (as of a book) as a direction to the binder in arranging and gathering the sheets
b
: one unit of a book comprising a group of printed sheets that are folded and stitched together
4
a
b
5
: the part of a medical prescription that contains the directions to the patient
6
: something (such as a tune, style, or logo) that serves to set apart or identify
also
: a characteristic mark
: closely and distinctively associated and identified with someone or something
a musician's signature style
a chef's signature dish
Pomegranate martinis made with pomegranate juice, vodka and a splash of grapefruit are becoming the hipster drink of choice, and the pomegranate margarita is the signature cocktail at Rosa Mexicano in New York City.—
Lisa McLaughlin
Lisa McLaughlinExamples of signature in a Sentence
Noun
There is a place for your signature at the bottom of the form.
If we can collect 200,000 signatures on our petition, then our candidate will be included on the ballot.
We presented the document to the president for her signature.
The bill passed and went to the governor for signature a week ago.
Recent Examples on the Web
Erin Clack, People.com, 25 May 2025
On the ground floor there is also a window display dedicated to its signature web motif in green/red/green and in blue/red/blue established in the mid-1950s.
—Luisa Zargani, Footwear News, 24 May 2025
Lauren Mowery, Forbes.com, 23 May 2025
Johnson took a victory lap following the vote – holding a news conference alongside his leadership team and committee chairs – after Republicans pulled off the improbable and passed the president's signature legislative package.
—John Parkinson, ABC News, 22 May 2025
See All Example Sentences for signature
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Noun
Cyrus, meanwhile, sported his signature rocker edge in a pair of tight-fitting black pants detailed with silver medallions along the leg and a black jacket with leather accents.
—Erin Clack, People.com, 25 May 2025
On the ground floor there is also a window display dedicated to its signature web motif in green/red/green and in blue/red/blue established in the mid-1950s.
—Luisa Zargani, Footwear News, 24 May 2025
Adjective
Mornings start with espresso on the terrace; evenings are made for cocktails on the lawn before a bowl of fresh pasta at Dei Cappuccini, the hotel's signature Italian restaurant run by Chef Claudio Lanuto.
—Lauren Mowery, Forbes.com, 23 May 2025
Johnson took a victory lap following the vote – holding a news conference alongside his leadership team and committee chairs – after Republicans pulled off the improbable and passed the president's signature legislative package.
—John Parkinson, ABC News, 22 May 2025
See All Example Sentences for signature
Cite this Entry
“Signature.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/signature. Accessed 30 May. 2025.
Copy CitationKids Definition
signature
noun
sig·na·ture
ˈsig-nə-ˌchu̇(ə)r
-chər
1
: the name of a person written by that person
2
: a notation used in music to indicate the key or the rhythm
Medical Definition
signature
noun
sig·na·ture
ˈsig-nə-ˌchu̇(ə)r, -chər, -ˌt(y)u̇(ə)r
1
: a feature in the appearance or qualities of a natural object formerly held to indicate its utility in medicine either because of a fancied resemblance to a body part (as a heart-shaped leaf indicating utility in heart disease) or because of a presumed relation to some phase of a disease (as the prickly nature of thistle indicating utility in case of a stitch in the side)
2
: the part of a medical prescription which contains the directions to the patient
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