hayrig

from WordNet (r) 3.0 (2006)

hayrig
    n 1: a frame attached to a wagon to increase the amount of hay
         it can carry [syn: {hayrack}, {hayrig}]

from The Collaborative International Dictionary of English v.0.48

hayrig \hay"rig\ n.
   a frame attached to a wagon to increase the amount of hay it
   can carry.

   Syn: hayrack, hay rigging.
        [WordNet 1.5]