Definition of "joint author" [joint author]

• A writer who collaborates with others in writing something (noun)

WordNet. Princeton University. 2010.

• "I have already spoken of Thomas Lodge as joint author with Greene of a good-for-nothing play."
• "Research, and was joint author of Phantasms of the Living."
• "Queenwood College, Hampshire, after which he went to Marburg to study science, and while there became joint author of a memoir"