Main Entry: ca·non·i·cal

Pronunciation: \-ni-kəl\

Function: adjective

Date: 15th century

1 : of, relating to, or forming a canon
2 : conforming to a general rule or acceptable procedure : orthodox
3 : of or relating to a clergyman who is a canon
4 : reduced to the canonical form <a canonical matrix>

— ca·non·i·cal·ly \-k(ə-)lē\ adverb