What does the word smell mean?

Usage examples for smell

  1. Did they smell a rat?" – The Short Cut by Jackson Gregory
  2. Dogs, as well as most wild animals, fight at the suggestion of a smell. – Jimgrim and Allah's Peace by Talbot Mundy
  3. The dogg comes out, not by any smell, but by good like. – Voyages of Peter Esprit Radisson by Peter Esprit Radisson