Authoress
Pronunciation : Au"thor*ess
Part of Speech : n.
Definition : Defn: A female author. Glover.
Note: The word is not very much used, author being commonly applied to a female writer as well as to a male.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder