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male
manly; brave; heroic
larger (of the two); greater
「男」 has other readings with different meanings.
男の子が走っている。
A boy is running.
あの男の人は毎朝ここで走っていた。
That man used to run here every morning.
男らしく堂々と自分の意見を述べるべきだ。
You should state your opinion boldly and manfully.