From Longman Dictionary of Contemporary EnglishRelated topics: Grammargrammargram‧mar /ˈɡræmə $ -ər/●くろまる●くろまる●くろまるS3W3 noun1[uncountable]SLG the rules by which words change their forms and are combined into sentences, or the study or use of these rulesCheck your spelling and grammar.the rules of English grammar2[countable]SLG a particular description of grammar or a book that describes grammar rulesA dictionary lists the words, a grammar states the rules.Examples from the Corpusgrammar• For Mrs Furry was our ideal of what a grammar school teacher should be.• The augmentedgrammarcontains the rules of the original grammar plus rules which characterise the structures that the transformations can add.• Tone greatly aids the researchers' understanding of Creolegrammar, which appears less simple than was thought.• Again, traditionalteaching has tended to dissociategrammar from context and to deal in isolated sentences.• English grammar is very different from Japanese grammar.• Students' essays will be graded for grammar and spelling.• a good French grammar• This is particularly so in the case of a recogniser with a very generalgrammar.• Since the principalfunction of grammar is to indicate how units of meaning are to be combined, this is scarcely surprising.• What happened to us in our seven years at the grammar school was that we felt safe and we felt encouraged.• The grammar schools and secondarymoderns are similar in terms of class exclusivity.Origingrammar(1300-1400)Old Frenchgramaire, from Latingrammatica, from Greekgrammatikos"of letters", from gramma; → GRAM