gun deck

Noun

(nautical) The deck on an armed ship (man-of-war) on which the guns are placed.

Japanese Meaning

武装船において、砲が配置される甲板。

The captain ordered the crew to clear the gun deck before the enemy ship came into range.

艦長は、敵艦が射程に入る前に、大砲が配備された軍艦の甲板を乗組員に片付けるよう命じた。

Sense（1）

(nautical) The deck on an armed ship (man-of-war) on which the guns are placed.

gun decks

（ plural ）