潜航艇 せんこうてい Meanings Noun midget submarine submarine See also: 潜水艦 (せんすいかん). Kanji 潜 dive. Read as セン. 航 navigate. Read as コウ. 艇 small boat. Read as テイ. Words containing 潜航艇 特殊潜航艇 (とくしゅせんこうてい) special purpose submarine (esp. Japanese midget submarines used in WWII) Jinuma: Japanese Dictionary · Word lists