0 a name chosen by a writer to use instead of using his or her real name when publishing books
1 an invented name used by a writer when he or she publishes something:
C. L. Dodgson published under the pen name Lewis Carroll.
During the early part of her career, she wrote and illustrated under the pen name.
He made his writing debut using a pen name.
The four days allowed members time to change their pen name to their real name.
It was that duo who gave him his pen name.
His 1961 book was published under a still different pen name.
That name was used as another pen name.
His pen name was derived from his illustrious ancestor.
Imaoka also used the pen name to write criticism.
