/ kəˈnɒnɪkl; NAmE -ˈnɑːn-/ (also ca·non·ic / kəˈnɒnɪk; NAmE -ˈnɑːn-/) adjective
1.
included in a list of holy books that are accepted as genuine; connected with works of literature that are highly respected
2.
according to the law of the Christian Church
3.
( technical ) in the simplest accepted form in mathematics
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WORD ORIGIN
late Middle English : from medieval Latin canonicalis , from Latin canonicus canonical, from Greek kanonikos , from kanon rule.