n. something a little different from others of the same type; "an experimental version of the night fighter"; "a variant of the same word"; "an emery wheel is the modern variation of a grindstone"; "the boy is a younger edition of his father"

n. the form in which a text (especially a printed book) is published

n. an issue of a newspaper; "he read it in yesterday's edition of the Times"

n. all of the identical copies of something offered to the public at the same time; "the first edition appeared in 1920"; "it was too late for the morning edition"; "they issued a limited edition of Bach recordings"