
1) Cannon 2) Medieval form of musket 3) Renaissance-era weapon
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https://www.crosswordclues.com/clue/culverin

A culverin was a relatively simple ancestor of the musket, and later a medieval cannon, adapted for use by the French in the 15th century, and later adapted for naval use by the English in the late 16th century. The culverin was used to bombard targets from a distance. The weapon had a relatively long barrel and a light construction. The culverin ...
Found on
http://en.wikipedia.org/wiki/Culverin

lightweight, portal, long-barrelled cannon
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http://phrontistery.info/c.html

• (n.) A long cannon of the 16th century, usually an 18-pounder with serpent-shaped handles.
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http://thinkexist.com/dictionary/meaning/culverin/

medieval cannon of relatively long barrel and light construction. It fired light (8–16-pound [3.6–7.3-kg]) projectiles at long ranges along a flat ... [2 related articles]
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http://www.britannica.com/eb/a-z/c/168
Cul'ver·in noun [ French
coulevrine , prop. fem. of
couleuvrin like a serpent, from
couleuvre adder, from Latin
coluber ,
colubra .] A long cannon of the 16th century, usually an 18-pounder with serpent-shaped handles. « Trump, and drum, and roaring
culver...Found on
http://www.encyclo.co.uk/webster/C/201

The culverin was a French cannon, introduced into England in 1534. It had a bore of 5.5 inches and fired a 17.5 lb ball. The term culverin was generally used in Britain to describe a long, slender, long-range artillery piece or pistol.
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http://www.probertencyclopaedia.com/browse/FYC.HTM

heavy artillery piece
Found on
http://www.tudorrevels.co.uk/glossary.php
noun a medieval musket
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https://www.encyclo.co.uk/local/20974

A type of cannon which like the basilisk was usually of cast bronze and long in proportion to its bore diameter.
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https://www.encyclo.co.uk/local/22686

medieval form of musket. · a kind of heavy cannon used in the 16th and 17th centuries.
Found on
https://www.infoplease.com/dictionary/culverin
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