Body of work (5)
(Other definitions for canon that I've seen before include "set of books" , "General principle or kind of clergyman" , "General principle or senior priest" , "accepted criterion" , "Churchman" .)
'body of work' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for oeuvre that I've seen before include "Complete output of a writer or artist" , "(Artist's) collected work" , "A lifetime's body of work" , "Total output of a writer or artist" , "(Artist's) body of work" .)