Source : Webster's Revised Unabridged Dictionary (1913)

Carton \Car"ton\ (k[aum]r"t[o^]n), n. [F. See {Cartoon}.]
   Pasteboard for paper boxes; also, a pasteboard box.

   {Carton pierre}, a species of papier-mach['e], imitating
      stone or bronze sculpture. --Knight.

Source : WordNet®

carton
     n 1: the quantity contained in a carton [syn: {cartonful}]
     2: a box made of cardboard; opens by flaps on top