Definition of Edition

The total number of copies of a publication printed from a single typesetting or at one specified time. May also refer to the form which a publication takes such as a hardbound or paperback edition. Also, the means of identifying the various versions of a given publication; e.g. first, second, etc. edition. One of the several issues of a newspaper for a single day.

That's the definition of Edition in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.