High Quality Content by WIKIPEDIA articles! A crossbow is a weapon consisting of a bow mounted on a stock that shoots projectiles, often called bolts or quarrels. The medieval crossbow was called by many names, most of which derived from the word ballista, a torsion engine resembling a crossbow in appearance. Historically, crossbows played a significant role in the warfare of East Asia, Europe, and the Mediterranean. Today, they are used primarily for target shooting and hunting. A crossbow is a weapon bow mounted on a stick (called a tiller or stock) with a mechanism in it which holds the drawn bow string. The earliest designs featured a slot in the stock, down into which the cocked string was placed. To fire this design, a vertical rod is thrust up through a hole in the bottom of the notch, forcing the string out. This rod is usually attached perpendicular to a rear-facing firing lever called a trigger or 'tickler'. A later design implemented a rolling cylindrical pawl called a 'nut' to retain the cocked string.

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