Other forms: canons
A canon is the body of works accepted as genuine or authoritative. The literary canon, part of the canon, canon law.
In literature it means the works a culture treats as central, and which books belong has been argued about for a century. In fandom, canon means what actually happened in the original work as against invented additions. Cannon with two n's is the gun.
1nouncanonThe body of works accepted as genuine or authoritative.
“Shakespeare's plays are at the heart of the English literary canon.”
canon is a body of works.
Greek kanon means a measuring rod or standard, from kanna, a reed.
Ancient Greek
κανών — measuring rod, standard
Latin
canōn
Old English
canon
Old French
canon
Middle English
canoun
English, today
canon
Built from
From Middle English canoun, from Old French canon and Old English canon, both from Latin canōn, from Ancient Greek κανών (“measuring rod, standard”), akin to κάννα (“reed”), from sem - (compare Hebrew קָנֶה (“reed”) and Arabic قَنَاة (“reed”)). a doublet of qanun. See also cane, cannon, canyon, canal.
Etymology from Wiktionary, CC BY-SA