Source : Webster's Revised Unabridged Dictionary (1913)
Trebuchet \Treb"u*chet\, Trebucket \Tre"buck*et\, n. [OF.
trebuchet, trebukiet, an engine of war for hurling stones, F.
tr['e]buchet a gin, trap, a kind of balance, fr. OF.
trebuchier, trebuquier, to stumble, trip, F. tr['e]bucher.]
1. A cucking stool; a tumbrel. --Cowell.
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.
Source : WordNet®
trebuchet
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}, {trebucket}]