Shack

v. t.
  1. To shed or fall, as corn or grain at harvest.
  2. To feed in stubble, or upon waste corn.
  3. To wander as a vagabond or a tramp.

n.
  1. a small simple dwelling, usually having only one room and of flimsy construction; a hut; a shanty; a cabin.

n.
  1. The grain left after harvest or gleaning; also, nuts which have fallen to the ground.
  2. Liberty of winter pasturage.
  3. A shiftless fellow; a low, itinerant beggar; a vagabond; a tramp.
  4. Common of shack (Eng.Law),
    the right of persons occupying lands lying together in the same common field to turn out their cattle to range in it after harvest.