A quarrel or bolt is the arrow used in a crossbow. The name "quarrel" is derived from the French carré, meaning square, referring to their typically square heads. Although their lengths vary, they are typically shorter than traditional arrows.
- "Quarrel". Merriam-Webster. Retrieved 24 May 2013.
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- Stone, George Cameron (1999) . A Glossary of the Construction, Decoration, and Use of Arms and Armor in All Countries and in All Times.Mike. Mineola NY: Dover Publications. p. 125. ISBN 0-486-40726-8.