Source : Webster's Revised Unabridged Dictionary (1913)

Tumbrel \Tum"brel\, Tumbril \Tum"bril\, n. [OF. tomberel, F.
   tombereau, fr. tomber to fall, to tumble; of Teutonic origin.
   Cf. {Tumble}.]
   1. A cucking stool for the punishment of scolds.

   2. A rough cart. --Tusser. --Tatler.

   3. (Mil.) A cart or carriage with two wheels, which
      accompanies troops or artillery, to convey the tools of
      pioneers, cartridges, and the like.

   4. A kind of basket or cage of osiers, willows, or the like,
      to hold hay and other food for sheep. [Eng.]

Source : WordNet®

tumbril
     n : a farm dumpcart for carrying dung; carts of this type were
         used to carry prisoners to the guillotine during the
         French Revolution [syn: {tumbrel}]