副ふく砲ほう

noun

secondary armament; secondary battery; secondary gun

Technical naval term for the smaller-caliber guns on a warship, distinct from the main battery.

• 戦せん艦かんの副ふく砲ほうは主しゅ砲ほうより口こう径けいが小ちいさい。

  The secondary guns of a battleship have a smaller caliber than the main guns.