
1) Naval artillery
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https://www.crosswordclues.com/clue/carronade

The carronade is a short smoothbore, cast iron cannon, which was used by the Royal Navy and first produced by the Carron Company, an ironworks in Falkirk, Scotland, UK. It was used from the 1770s to the 1850s. Its main function was to serve as a powerful, short-range anti-ship and anti-crew weapon. While considered very successful early on, carron...
Found on
http://en.wikipedia.org/wiki/Carronade

short and light maritime cannon
Found on
http://phrontistery.info/c.html

Short, light cannon with a large bore used at close range (less than 300 yards). Popular during the 1790s, but out of fashion by 1815. Carronades required a smaller gun crew than the cannon.
Found on
http://shipwrightjournal.blogspot.co.uk/p/glossary-of-nautical-terms.html

• (n.) A kind of short cannon, formerly in use, designed to throw a large projectile with small velocity, used for the purpose of breaking or smashing in, rather than piercing, the object aimed at, as the side of a ship. It has no trunnions, but is supported on its carriage by a bolt passing through a loop on its under side.Carronade: words in...
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http://thinkexist.com/dictionary/meaning/carronade/

Large calibre short range cannon, commonly used on ships for firing canister.
Found on
http://www.encyclo.co.uk/local/20769
Car`ron·ade noun [ From
Carron , in Scotland where it was first made.]
(Medicine) A kind of short cannon, formerly in use, designed to throw a large projectile with small velocity, used for the purpose of breaking or smashing in, rather than piercing, the object aimed at, as the side of a s...
Found on
http://www.encyclo.co.uk/webster/C/29

A carronade is a short, large calibre, short-range ship's gun. It was invented in 1759 by General Melville - or maybe Mr Gascoigne, director of the Carron foundry in Scotland - who called it a 'smasher' on account of its devastating effect at shirt range. Carronades entered service with the British navy in 1779 and were manufactured at the Carron i...
Found on
http://www.probertencyclopaedia.com/browse/FYC.HTM
No exact match found.