What does the word advertisement mean?

Usage examples for advertisement

  1. I read Miss Anna's advertisement; but please turn back, or let me get out and walk. – Bad Hugh by Mary Jane Holmes
  2. I think I could be of some service to this company as an advertisement. – Marge Askinforit by Barry Pain
  3. Peace on earth, good will toward men- that ain't exactly a good advertisement for the reformers, is it? – Seven Keys to Baldpate by Earl Derr Biggers