Source : Webster's Revised Unabridged Dictionary (1913)

Journalist \Jour"nal*ist\, n. [Cf. F. journaliste.]
   1. One who keeps a journal or diary. [Obs.] --Mickle.

   2. The conductor of a public journal, or one whose business
      it to write for a public journal; an editorial or other
      professional writer for a periodical. --Addison.

Source : WordNet®

journalist
     n 1: a writer for newspapers and magazines
     2: someone who keeps a diary or journal [syn: {diarist}, {diary
        keeper}]