
1) Early firearm 2) Hackbut 3) Hagbut 4) Harquebus 5) Muzzle loader
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https://www.crosswordclues.com/clue/arquebus

1) Hackbut 2) Hagbut 3) Harquebus
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https://www.crosswordclues.com/clue/arquebus

The arquebus (s {respell|ARK|ə-bus} or s {respell|AR|kwə-bus}) (sometimes spelled harquebus, harkbus or hackbut; Italian Archibugio, Dutch hakebusse, meaning `hook gun`), or `hook tube`, is an early muzzle-loaded firearm used in the 15th to 17th centuries. It can be distinguished from its predecessor, the hand cannon, by the presence of a ma...
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http://en.wikipedia.org/wiki/Arquebus

• (n.) Alt. of Arquebuse
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http://thinkexist.com/dictionary/meaning/arquebus/

A short musket like early firearm usually used in conjunction with pikes. The weapons were loaded at the muzzle, with smoothbore barrels.
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http://web.ceu.hu/medstud/manual/SRM/gloss.htm

The arquebus was a hand-gun similar to, but longer than, a musket and of larger calibre. It fired a two ounce ball, and was fired from a forked rest which fitted to a hook of iron fastened to the barrel. A larger variant which took a heavier ball was used in fortresses. When Henry VIII established the yeoman of the guard in 1485 he armed half of th...
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http://www.probertencyclopaedia.com/browse/FRA.HTM

[
n] - an obsolete firearm with a long barrel
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http://www.webdictionary.co.uk/definition.php?query=arquebus
harquebus noun an obsolete firearm with a long barrel
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https://www.encyclo.co.uk/local/20974

harquebus.
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https://www.infoplease.com/dictionary/arquebus
No exact match found.