noun

1. the size, style, or form in which a book is published a pocket edition
2. 1. the total number of copies of a book or the like printed from the same plates, type, etc. and published at about the same time
   2. a single copy of such a printing
3. any of the versions of a textbook, reference book, etc. that is maintained by periodic revision the fourth edition of a handbook
4. the issue of a standard work or of the writings of a well-known author, distinguished by its editor, publisher, etc. the Skeat edition of Chaucer
5. any of the various regular issues of a newspaper the Sunday edition
6. ☆ any set of like items made and offered for sale at one time a limited edition of commemorative plates

Etymology: ME edicion < L editio, a bringing forth, publishing < edere: see editor