Source : WordNet®

text editor
     n 1: an editor who prepares text for publication [syn: {copy
          editor}, {copyreader}]
     2: (computer science) an application that can be used to create
        and view and edit text files

Source : Free On-Line Dictionary of Computing

text editor
     
         A utility program for creating and modifying
        {text files}.  This differs from a {word processor} in that
        the word processors often embed special control codes or
        {escape sequences} in the file to control formatting.
     
        (1996-11-15)