かいさ 海佐 LinksSentence search for 海佐Sentence search for かいさKanji details for 海 and 佐Edit in JMdict Noun, used as a suffix1. higher-grade officer rank (JMSDF)Military, See also 一等海佐 いっとうかいさ, See also 海尉 Discussions Log in to talk about this word.