Definition of 一等航海士 (いっとうこうかいし)
いっとうこうかいし
                        一等航海士
いっとうこうかいし
ittoukoukaishi
noun
•
        
first mate, first officer
Related Kanji
| 一 | one, one radical (no.1) | 
| 等 | etc., and so forth, class (first), quality, equal, similar | 
| 航 | navigate, sail, cruise, fly | 
| 海 | sea, ocean | 
| 士 | gentleman, scholar, samurai, samurai radical (no. 33) |