[koh-aw-ther, koh-aw-]


one of two or more joint authors.

verb (used with object)

to write in joint authorship.

Origin of coauthor

First recorded in 1860–65; co- + author Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for coauthor

Contemporary Examples of coauthor

British Dictionary definitions for coauthor



a person who shares the writing of a book, article, etc, with another


(tr) to be the joint author of (a book, article, etc)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for coauthor

also co-author, from co- + author. From 1948 as a verb. Related: Coauthored; coauthoring.

Online Etymology Dictionary, © 2010 Douglas Harper