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masculine noun
「男」 has other readings with different meanings.
man; male
male
son
男だんし子トイレはあちらだ。
The men's restroom is over there.
男だんじょ女平等びょうどうは大切たいせつなことだと思うおもう。
I think gender equality is important.
このクラスは男だんし子が女子じょしより三さん人にん多いおおいらしい。
It seems there are three more boys than girls in this class.