Mangonel

from 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}]

from 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]

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