らいかん 礼冠 LinksSentence search for 礼冠Sentence search for らいかんSentence search for れいかんKanji details for 礼 and 冠Edit in JMdict Noun1. crown or head-ornament worn with formal or ceremonial clothes by nobility (ritsuryō system)Archaic, Historical termOther forms礼冠 【れいかん】 Discussions Log in to talk about this word.