Definition of to co-author in English English dictionary
If two or more people co-author a book, play, or report, they write it together. He's co-authored a book on Policy for Tourism Karen Matthews co-authored the study with Lewis Kullers
The co-authors of a book, play, or report are the people who have written it together. He is co-author, with Andrew Blowers, of `The International Politics of Nuclear Waste'