Definition of 二等航海士 (にとうこうかいし)
にとうこうかいし
                        二等航海士
にとうこうかいし
nitoukoukaishi
noun
•
        
second mate, second officer
See also:一等航海士 (いっとうこうかいし)
Related Kanji
| 二 | two, two radical (no. 7) | 
| 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) |