Grammar /(?)/

Gram·mar

Grammar

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 and application of the rules of a language, in speaking or writing.
The art of speaking or writing with correctness or according to established usage; speech considered with regard to the rules of a grammar.
The original bad grammar and bad spelling.
— Macaulay.
A treatise on the principles of language; a book containing the principles and rules for correctness in speaking or writing.
treatise on the elements or principles of any science; as, a grammar of geography.
When any town shall increase to the number of a hundred families or householders, they shall set up a grammar school, the master thereof being able to instruct youth so far as they may be fitted for the University.
— Mass. Records (1647).

Comparative grammar: the science which determines the relations of kindred languages by examining and comparing their grammatical forms.
Grammar school: A school, usually endowed, in which Latin and Greek grammar are taught, as also other studies preparatory to colleges or universities; as, the famous Rugby Grammar School. This use of the word is more common in England than in the United States.

v. i.