にとうくうし 二等空士 LinksSentence search for 二等空士Sentence search for にとうくうしSentence search for ２等空士Kanji details for 二, 等, 空 and 士Edit in JMdict Noun1. airman third class (JASDF)MilitaryOther forms２等空士 【にとうくうし】 Discussions Log in to talk about this word.