Source : Webster's Revised Unabridged Dictionary (1913)

Outhouse \Out"house`\, n.
   A small house or building at a little distance from the main
   house; an outbuilding.

Source : WordNet®

outhouse
     n : a small outbuilding with a bench having holes through which
         a user can defecate [syn: {privy}, {earth-closet}, {jakes}]