1. One who edits, especially as an occupation.
2. One who writes editorials.
3. A device for editing film, consisting basically of a splicer and viewer.
4. Computer Science. A program used to edit text or data files.

[Late Latin ēditor, publisher, from Latin ēditus, past participle of ēdere, to publish. See edit.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.