
1) Area in an arsenal 2) Where many barrels are seen
Found on
https://www.crosswordclues.com/clue/gunroom

A gunroom is the junior officers` mess on a naval vessel. It was occupied by the officers below the rank of lieutenant. In the wooden sailing ships it was on the lower deck, and was originally the quarters of the gunner, but in its form as a mess, guns were not normally found in it. The senior officers` equivalent is the wardroom. In large ships.....
Found on
http://en.wikipedia.org/wiki/Gunroom

• (n.) An apartment on the after end of the lower gun deck of a ship of war, usually occupied as a messroom by the commissioned officers, except the captain; -- called wardroom in the United States navy.
Found on
http://thinkexist.com/dictionary/meaning/gunroom/
Gun'room` noun (Nautical) An apartment on the after end of the lower gun deck of a ship of war, usually occupied as a messroom by the commissioned officers, except the captain; -- called wardroom in the United States navy.
Found on
http://www.encyclo.co.uk/webster/G/68
No exact match found.