noun

• A person who edits or makes changes to documents.
• A copy editor.
• A person who edited a specific document.
• A person at a newspaper, publisher or similar institution who edits stories and/or decides which ones to publish.
• A machine used for editing (cutting and splicing) movie film
• (computing) A program for creating and making changes to files, especially text files.
• (television, cinematography) Someone who manipulates video footage and assembles it into the correct order etc for broadcast; a picture editor.