1. (n.) The science which treats of the principles of language; the study of forms of speech, and their relations to one another; the art concerned with the right use aud application of the rules of a language, in speaking or writing.

2. (n.) The art of speaking or writing with correctness or according to established usage; speech considered with regard to the rules of a grammar.

3. (n.) A treatise on the principles of language; a book containing the principles and rules for correctness in speaking or writing.

4. (n.) treatise on the elements or principles of any science; as, a grammar of geography.

5. (v. i.) To discourse according to the rules of grammar; to use grammar.

abecedarium abecedary alphabet alphabet book basics battledore bowwow theory casebook choice of words comparative linguistics composition derivation descriptive linguistics dialect dialectology diction dingdong theory elements etymology exercise book expression first principles first steps formulation fundamentals glossematics glossology glottochronology glottology gradus graphemics historical linguistics hornbook idiom induction language language study lexicology lexicostatistics linguistic geography linguistic science linguistics locution manual manual of instruction mathematical linguistics morphology morphophonemics outlines paleography parlance philology phonetics phonology phrase phraseology phrasing primer principia principles psycholinguistics reader rhetoric rudiments schoolbook semantics sociolinguistics speech speller spelling book structuralism syntactics t talk text transformational linguistics usage use of words usus loquendi verbiage wordage wording workbook