edition Definition

1. The total number of copies of a book, etc printed at one time, or at different times without alteration.
2. One of a series of printings of a book or periodical, etc, produced with alterations and corrections made by the author or an editor.

Thesaurus: version, printing, copy, issue, volume, number.
3. The form in which a book, etc is published.

Example: paperback edition
4. The form given to a work by its editor or publisher.

Example: the Cambridge edition