1) Arbalest 2) Arbalist 3) Artillery 4) Ballista 5) Bricole 6) Catapult 7) French word used in English 8) Heavy weapon 9) Mangonel 10) Medieval artillery 11) Obsolete technology 12) Onager 13) Ordnance 14) Trebucket 1) Arbalest 2) Arbalist 3) Ballista 4) Bricole 5) Mangonel 6) Onager 7) Trebucket 
An extremely powerful siege engine that worked by counter balancing weights or stones to generate propulsion for a swinging wooden arm used to launch giant stones at castle walls.
medieval siege engine for launching stones
• (n.) Alt. of Trebucket
(from the article `catapult`) ...in ancient and medieval artillery operated by a sudden release of tension on bent wooden beams or of torsion in twisted cords of horsehair, gut, ... In general, the mechanical artillery of medieval times was inferior to that of the Classical world. The one exception was the trebuchet, an engine ... [2...
giant siege engine in the form of a boulder firing catapult
Missile-launching weapon resembling a catapult, with a beam pivoted on an axle and terminating in a sling. It was invented in China between the 5th and 3rd centuries BC, and reached Europe around...
siege engine in the form of a large catapult
A heavy stone throwing engine, powered by a large counterweight
The trebuchet was a Medieval military engine consisting of a pivoted lever with a sling at one end, and used for throwing heavy missiles.
siege engine in the form of a large catapult
[Difficult words] a heavy war engine for hurling projectiles such as stones[Obscure words] a heavy war engine for hurling projectiles such as stones