Source : Webster's Revised Unabridged Dictionary (1913)

Gambrel \Gam"brel\, n. [OF. gambe, jambe leg, F. jambe. Cf.
   {Cambrel}, {Chambrel}, and see {Gambol}. n.]
   1. The hind leg of a horse.

   2. A stick crooked like a horse's hind leg; -- used by
      butchers in suspending slaughtered animals.

   {Gambrel roof} (Arch.), a curb roof having the same section
      in all parts, with a lower steeper slope and an upper and
      flatter one, so that each gable is pentagonal in form.

Gambrel \Gam"brel\ v. t.
   To truss or hang up by means of a gambrel. --Beau. & Fl.

Source : WordNet®

gambrel
     n : a gable roof with two slopes on each side and the lower
         slope being steeper [syn: {gambrel roof}]