特とく殊しゅ潜せん航こう艇てい

noun

special-purpose submarine; midget submarine

Primarily refers to Japanese midget submarines used in World War II, such as the Type A Kō-hyōteki. A historical military term.

• 真しん珠じゅ湾わん攻こう撃げきでは特とく殊しゅ潜せん航こう艇ていも投とう入にゅうされた。

  Special-purpose submarines were also deployed in the attack on Pearl Harbor.

• 特とく殊しゅ潜せん航こう艇ていの展てん示じが戦せん争そう博はく物ぶつ館かんにある。

  There is an exhibit of midget submarines at the war museum.