gram·mar 
/ˈgræmɚ/ noun
plural gram·mars /ˈgræmɚ/ noun 1 : the set of rules that explain how words are used in a language [noncount] ▪ the rules of grammar ▪ English grammar can be hard to master. ▪ a grammar lesson ▪ comparing English and Japanese grammar [count] ▪ comparing the grammars of English and Japanese 2 [noncount] : speech or writing judged by how well it follows the rules of grammar
▪ “Him and I went” is bad/poor grammar. ▪ I know some German, but my grammar isn't very good. 3 [count] : a book that explains the grammar rules of a language
▪ an English grammar
▪ “Him and I went” is bad/poor grammar. ▪ I know some German, but my grammar isn't very good.
▪ an English grammar
