editor: Meaning and Definition of

ed•i•tor

1. a person having managerial and sometimes policy-making responsibility for the editorial part of a publishing firm or of a newspaper, magazine, or other publication.
2. the supervisor or conductor of a department of a newspaper, magazine, etc.: the sports editor of a newspaper.
3. a person who edits material for publication, films, etc.
4. a device for editing film or magnetic tape.