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.

Noun

(en noun)

Frequent repetition of the same behavior; way of behavior common to many; ordinary manner; habitual practice; usage; method of doing, living or behaving.

:* And teach customs which are not lawful. Acts xvi. 21 .

:* Moved beyond his custom , Gama said. .

:* A custom More honored in the breach than the observance. Shakespeare

Habitual buying of goods; practice of frequenting, as a shop, manufactory, etc., for making purchases or giving orders; business support.

* Let him have your custom , but not your votes. - .

(legal) Long-established practice, considered as unwritten law, and resting for authority on long consent; usage. See Usage, and Prescription.

* Usage is a fact. Custom' is a law. There can be no '''custom''' without usage, though there may be usage without '''custom . ''Wharton .

(obsolete) Familiar acquaintance; familiarity.

* Age can not wither her, nor custom stale Her infinite variety. Shakespeare

The customary toll, tax, or tribute.

* Render, therefore, to all their dues: tribute to whom tribute is due; custom' to whom '''custom . ''Rom. xiii. 7 .

Created under particular specifications, specialized, unique, custom-made