Meaning of CANONICAL in English

CANONICAL

ca ‧ non ‧ i ‧ cal /kəˈnɒnɪk ə l $ kəˈnɑː-/ BrE AmE adjective

1 . according to ↑ canon law

2 . technical in the simplest mathematical form

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.