<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">trebuchets</topic></authority><related type="other"><topic>biffas</topic></related><related type="broader"><topic>projectile launchers with nonexplosive propellant</topic></related><variant type="other"><topic>trebuchet</topic></variant><variant type="other"><topic>trebucket</topic></variant><variant type="other"><topic>trebuckets</topic></variant> <note xml:lang="en"><![CDATA[ Medieval military weapons consisting basically of a lever with a great weight attached to the short arm and a basket, box, or sling attached to the end of the long arm to hold projectiles. When the weight is permitted to fall, the projectile is hurled with great velocity. Distinct from "biffas" in which the weight is attached flexibly to the longer arm and is movable. ]]></note></mads>