Meaning of どうふう in Japanese

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Definition of どうふう

どうふう(doufuu) 【同封】

(n, vs, adj-no) enclosure (e.g. in a letter)
彼女は小切手を同封して私に送ってくれた。
She sent me the enclosed check.

せんりどうふう(senridoufuu) 【千里同風】

(n) a country being in a state of universal peace; the world being peaceful and uneventful