嫡ちゃく披ひMeanings1nounconfidential letterA rare, somewhat archaic term for a private or confidential letter. Not used in everyday modern Japanese; more common words include 親展の手紙 or 内密の手紙.古ふるい文ぶん書しょには「嫡ちゃく披ひ」と書かかれた封ふう書しょが残のこっている。In old documents, letters marked '嫡披' remain.
