1. 
[syn: catapult, arbalest, arbalist, ballista, bricole, mangonel, onager, trebuchet, trebucket]
The Collaborative International Dictionary of English v.0.48:
Mangonel \Man"go*nel\, n. [OF. mangonel, LL. manganellus,
   manganum, fr. Gr. ? See Mangle, n.]
   A military engine formerly used for throwing stones and
   javelins.
   [1913 Webster]
WordNet (r) 3.0 (2006):
mangonel
    n 1: an engine that provided 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,
         trebucket]