|Origin:||gramaire, from Latin grammatica, from Greek grammatikos 'of letters', from gramma; GRAM|
gram‧mar S3 W3
the rules by which words change their forms and are combined into sentences, or the study or use of these rules:
Check your spelling and grammar.
the rules of English grammar
a particular description of grammar or a book that describes grammar rules:
A dictionary lists the words, a grammar states the rules.