Source : Webster's Revised Unabridged Dictionary (1913)

Lamplighter \Lamp"light`er\, n.
   1. One who, or that which, lights a lamp; esp., a person who
      lights street lamps.

   2. (Zo["o]l.) The calico bass.

Source : WordNet®

lamplighter
     n : (when gas was used for streetlights) a person who lights and
         extinguishes streetlights