メイト
also: メイト
Meanings
1
mate; fellow member; companion
Loanword corresponding to English 'mate'. In Japanese it is most naturally encountered as the final element of compounds naming a fellow member or companion, such as クラスメイト, チームメイト, or ルームメイト.
She is a classmate from my high school days.
I quickly became friends with my new roommate.
2
navigation officer; mate
Maritime use of 'mate' for a ship's officer; in Japanese it is likely to appear in specialized compounds such as チーフメート or ファーストメート rather than as an everyday standalone word.
The chief mate took over the navigation watch.