canonical hour

Từ điển WordNet v3.1 - WordNet Dictionary

noun

(Roman Catholic Church) one of seven specified times for prayer
• Topics:
Roman Catholic, Western Church, Roman Catholic Church, Church of Rome, Roman Church
• Hypernyms:
hour, time of day
• Hyponyms:
matins, morning prayer, prime, terce, tierce,
sext, nones, vespers, evensong, compline, complin