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gram·mar /ˈgræmər/ Pronunciation Key - Show Spelled Pronunciation[gram-er] Pronunciation Key - Show IPA Pronunciation
–noun 1. the study of the way the sentences of a language are constructed; morphology and syntax.
2. these features or constructions themselves: English grammar.
3. an account of these features; a set of rules accounting for these constructions: a grammar of English.
4. Generative Grammar. a device, as a body of rules, whose output is all of the sentences that are permissible in a given language, while excluding all those that are not permissible.
5. prescriptive grammar.
6. knowledge or usage of the preferred or prescribed forms in speaking or writing: She said his grammar was terrible.