(in the Roman Catholic Church )天主教 prayers said in the morning, at 12 o'clock in the middle of the day, and in the evening; a bell rung when it is time for these prayers 三钟经(于晨、午、晚颂念);三钟经的鸣钟 Word Originmid 17th cent.: from the Latin phrase Angelus domini ‘the angel of the Lord’, the opening words of the devotion.