Meaning of copyeditor

cop•y•ed•i•tor

Pronunciation: (kop'ē-ed"i-tur), [key]
— n.
  1. a person who edits a manuscript, text, etc., for publication, esp. to find and correct errors in style, punctuation, and grammar.
  2. a copyreader.
  3. Also calledthe head copyreader on a newspaper.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.