[1] : The Collaborative International Dictionary of English v.0.48

trebuchet \treb"uchet\, trebucket \tre"bucket\, n. of.
   trebuchet, trebukiet, an engine of war for hurling stones, f.
   tr'ebuchet a gin, trap, a kind of balance, fr. of.
   trebuchier, trebuquier, to stumble, trip, f. tr'ebucher.
   1. a cucking stool; a tumbrel. --cowell.
      1913 webster

   2. a military engine used in the middle ages for throwing
      stones, etc. it acted by means of a great weight fastened
      to the short arm of a lever, which, being let fall, raised
      the end of the long arm with great velocity, hurling
      stones with much force.
      1913 webster
      1913 webster

   3. a kind of balance for weighing. obs.
      1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

castigatory \cas"tigatory\, n.
   an instrument formerly used to punish and correct arrant
   scolds; -- called also a ducking stool, or trebucket.
   --blacktone.
   1913 webster
see also:
ducking stool trebucket 

[3] : WordNet (r) 2.0

trebucket
     n : medieval artillery used during sieges; a heavy war engine
         for hurling large stones and other missiles syn: catapult,
          arbalest, arbalist, ballista, bricole, mangonel,
          onager, trebuchet
see also:
catapult arbalest arbalist ballista bricole mangonel 
onager trebuchet 

[4] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

trebucket. the name of an engine of punishment, said to be synonymous with 
tumbrel. q.v. 

Trebucket >> T Words
Trebucket, definition of term: Trebucket
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