水すい雷らい艇てい

noun

torpedo boat

A small, fast naval vessel armed with torpedoes, used historically and in some modern contexts.

• 水すい雷らい艇ていは夜や陰いんに乗じょうじて敵てき艦かんに接せっ近きんした。

  The torpedo boat approached the enemy ship under cover of darkness.