代だい艦かん

noun

replacement warship

A warship built or assigned to take the place of a lost or decommissioned vessel. This is a specialized naval term.

• 戦せん没ぼつした巡じゅん洋よう艦かんの代だい艦かんとして新しん型がた艦かんが建けん造ぞうされた。

  A new model was built as a replacement for the cruiser lost in battle.