宸しん翰かんしんかんMeanings1nounimperial letter; letter written by an emperorHistorical term referring to a document personally written by an emperor, especially in pre-modern East Asian contexts. Rare in modern everyday language.宸しん翰かんは、天皇てんのうが自みずから筆ふでを執とって書かかれた文ぶん書しょを指さす。