洗せん礼れい堂どうせんれいどうMeanings1nounbaptistery; baptistryA building or part of a church used for baptism. A specialized architectural and religious term.その教きょう会かいの洗せん礼れい堂どうは11世せい紀きに建たてられた。The church's baptistery was built in the 11th century.