上じょう祭さい服ふくMeanings1nounchasuble; phelonionrare termRare term for a Christian liturgical outer vestment, specifically the chasuble (Western) or phelonion (Eastern).司し祭さいはミサの前まえに上じょう祭さい服ふくを着ちゃく用ようする。The priest puts on the chasuble before Mass.