Source : Webster's Revised Unabridged Dictionary (1913)

Moonlighter \Moon"light`er\, n.
   One who follows an occupation or pastime by moonlight; as:
   (a) A moonshiner.
   (b) In Ireland, one of a band that engaged in agrarian
       outrages by night.
   (c) A serenader by moonlight. [Local, U. S.]