Noun

(en noun)

A generally accepted principle; a rule.

The trial must proceed according to the canons of law.

* Shakespeare

Or that the Everlasting had not fixed His canon 'gainst self-slaughter.

(literary) A group of literary works that are generally accepted as representing a field.

(turn into real quote) "the durable canon of American short fiction" — William Styron

The works of a writer that have been accepted as authentic.

the entire Shakespeare canon

A eucharistic prayer, particularly the Roman Canon.

A religious law or body of law decreed by the church.

We must proceed according to canon law.

A catalogue of saints acknowledged and canonized in the Roman Catholic Church.

In monasteries, a book containing the rules of a religious order.

A member of a cathedral chapter; one who possesses a prebend in a cathedral or collegiate church.

A piece of music in which the same melody is played by different voices, but beginning at different times; a round.

Pachelbel’s ''Canon'' has become very popular.

(fandom) Those sources, especially including literary works, which are generally considered authoritative regarding a given fictional universe.

A spin-off book series revealed the aliens to be originally from Earth, but it's not canon .

(cookery) A rolled and filleted loin of meat.

a canon of beef or lamb

(printing) The largest size of type with a specific name, formerly used for printing the canons of the church.

(senseid)The part of a bell by which it is suspended; the ear or shank of a bell.

(Knight)

(billiards) A carom.

Noun

(en noun)

A meeting or gathering.

The convention was held in Geneva.

* {{quote-news

, year=2012 , date=May 30 , author=Katherine Stewart , title=How Christian fundamentalists plan to teach genocide to schoolchildren , work=the Guardian citation , page= , passage=The CEF and the legal advocacy groups that have been responsible for its tremendous success over the past ten years are determined to "Knock down all doors, all the barriers, to all 65,000 public elementary schools in America and take the Gospel to this open mission field now! Not later, now!" in the words of a keynote speaker at the CEF's national convention in 2010.}}

A formal deliberative assembly of mandated delegates

''The EU installed an inter-institutional Convention to draft a European constitution

The convening of a formal meeting

A formal agreement, contract or pact

(international law) A treaty or supplement to such.

''The Vienna convention at the Vienna Congress (1814-15) standardized most of diplomatic conduct for generations

A generally accepted principle, method or behaviour.

*

In order to account for this, we might propose to make the Prepositional Phrase an optional constituent of the Verb Phrase: this we could do by re-
placing rule (28) (ii) by rule (40) below:
(40)      VP → V AP (PP)
(Note that a constituent in parentheses is, by convention , taken to be
optional.)

''Table seatings are generally determined by tacit convention , not binding formal protocol

The convention of driving on the right is reinforced by law.