the writing of an electronic document or software program, especially a hypertext or multimedia application (often used attributively): the best authoring tools for creating your own Web site.
a person who writes a novel, poem, essay, etc.; the composer of a literary work, as distinguished from a compiler, translator, editor, or copyist.
2.
the literary production or productions of a writer: to find a passage in an author.
3.
the maker of anything; creator; originator: the author of a new tax plan.
4.
Computers. the writer of a software program, especially a hypertext or multimedia application.
verb (used with object)
5.
to write; be the author of: He authored a history of the Civil War.
6.
to originate; create a design for: She authored a new system for teaching chemistry.
Origin: 1250–1300; earlier auct(h)or < Latin auctor writer, progenitor, equivalent to aug(ēre) to increase, augment + -tor-tor; replacing Middle English auto(u)r < Anglo-French, for Old French autor < Latin, as above