Definition of "colophon"

(printing, publishing) In manuscripts (typically before the invention of printing), the note, usually at the end, left by the scribe who copied it, giving information on their exemplar, where and when the copy was made, and sometimes, their own name.  examples

(printing) A printer's or publisher's identifying inscription or logo appearing at the front or end of a book, or the same appearing on the spine or dust jacket.  examples

(by extension, Internet) A page on a website identifying the details of its creation, such as the author's name and the technologies used.  examples

(obsolete) A finishing stroke or crowning touch.  quotations