Source : Webster's Revised Unabridged Dictionary (1913)

Barnstormer \Barn"storm`er\, n. [Barn + storm, v.]
   An itinerant theatrical player who plays in barns when a
   theatre is lacking; hence, an inferior actor, or one who
   plays in the country away from the larger cities. --
   {Barn"storm`ing}, n. [Theatrical Cant]