also: にほんだんじ
noun
Japanese man (with traditional masculine values); Japanese manhood
Evokes an idealized image of a Japanese man who is brave, honorable, and embodies traditional masculine virtues. Often used in patriotic or nostalgic contexts.
彼はまさに日本男児という感じの人物だ。
He is exactly the kind of person you'd call a true Japanese man.
日本男児たるもの、弱音
As a Japanese man, one must not complain.