signature

IPA: sˈɪgnʌtʃɝ

A person's name, written by that person, used as identification or to signify approval of accompanying material, such as a legal contract.
An act of signing one's name; an act of producing a signature.
(medicine) The part of a doctor’s prescription containing directions for the patient.
(music) Signs on the stave indicating key and tempo, composed of the key signature and the time signature.
(printing) A group of four (or a multiple of four) sheets printed such that, when folded, they become a section of a book.
(computing) A pattern used for matching the identity of a virus, the parameter types of a method, etc.
(cryptography) Data attached to a message that guarantees that the message originated from its claimed source.
(figurative) A mark or sign of implication.
A dish that is characteristic of a particular chef.
(mathematics) A tuple specifying the sign of coefficients in any diagonal form of a quadratic form.
(medicine, obsolete) A resemblance between the external character of a disease and those of some physical agent, for instance, that existing between the red skin of scarlet fever and a red cloth; supposed to indicate this agent in the treatment of the disease.
(Internet) Text (or images, etc.) appended to a user's emails, newsgroup posts, forum posts, etc. as a way of adding a personal touch or including contact details.

Examples of "signature" in Sentences

As far as most people are concerned, the signature is an absolute must for GR.
We can personally guarantee that the signature is authentic as we dontated it.
Sending an emailmessage without a signature is akin to calling someone and not identifying yourself.
The term signature (from Lat. _signare_, a sign) is also applied to a letter or figure printed at the foot of the first page of each sheet or section of the book.
Dennis said himself, in one of his final interviews for the Las Vegas publication Desert Companion: I have never been able to be what they call a signature artist.
He commuted Maurice Clemmons sentence (not anyone else), his signature is the commutation document and how dare he blame Washington State's legal system for his incompetent actions.
He's so well-known in American folklore than his name itself has become synonymous with the word "signature" -- in other words: "Just put your 'John Hancock' right here on the dotted line."