also: れいかん
noun
ceremonial crown; court head-ornament
Historical term for a crown or head-ornament worn by nobility with formal or ceremonial attire under the ritsuryō system. Archaic; not used in modern contexts.
礼冠は、律令制の時代に貴族が儀式の際に着用した冠である。
The raikan was a crown worn by nobles during ceremonies in the ritsuryō period.