Whao Grammarian What Grammar Definition: Grammar is part of the Trivium and one of the 7 Liberal Arts. [Middle English gramere, from Old French gramaire, alteration of Latin grammatica, from Greek grammatikē, from feminine of grammatikos, of letters, from gramma, grammat-, letter.] Rules of a language governing its phonology, morphology, syntax, and semantics; also, a written summary of such rules Answers.com: http://www.answers.com/topic/grammar?cat=technology Broader Terms Trivium Class: Grammar Narrower Terms Library of Congress Grammar Grammar, Applicative > Applicative Grammar Grammar, Arc pair > Arc Pair Grammar Grammar, Case > Case Grammar Grammar, Categorial > Categorial Grammar Comparative and General Grammar Scope Note See: Grammar, Comparative and general See: Language and languages Grammars