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

A system of rules and principles for speaking and writing a language.

(uncountable, linguistics) The study of the internal structure of words (morphology) and the use of words in the construction of phrases and sentences (syntax).

A book describing the rules of grammar of a language.

(computing theory) A formal system specifying the syntax of a language.

* 2006 , Patrick Blackburn · Johan Bos · Kristina Striegnitz, Learn Prolog Now! , §8.2

Because real lexicons are big and complex, from a software engineering perspective it is best to write simple grammars that have a simple, well-defined way, of pulling out the information they need from vast lexicons. That is, grammars should be thought of as separate entities which can access the information contained in lexicons. We can then use specialised mechanisms for efficiently storing the lexicon and retrieving data from it.

(computing theory) A formal system defining a formal language

The basic rules or principles of a field of knowledge or a particular skill.

* 2011 , (Javier Solana) and (Daniel Innerarity), Project Syndicate, The New Grammar of Power :

We must learn a new grammar of power in a world that is made up more of the common good – or the common bad – than of self-interest or national interest.

(British, archaic) A textbook.

a grammar of geography

(UK) A grammar school.

* 2012, Graeme Paton, A green light for more grammars ?'' (in ''The Daily Telegraph , 11 January 2012)