grammarian

[gruh-mair-ee-uh n] /grəˈmɛər i ən/
noun
1.
a specialist or expert in grammar.
2.
a person who claims to establish or is reputed to have established standards of usage in a language.
Origin
1350-1400; Middle English gramarien < Old French gramairien. See grammar, -ian
Examples from the web for grammarian
  • He was not a vain empiric, not a dry grammarian: he had learning, he had seen the world.
  • It is no secret that the sensitive grammarian leads a deeply troubled life.
  • They also aid others by serving as timer, evaluator or grammarian.
British Dictionary definitions for grammarian

grammarian

/ɡrəˈmɛərɪən/
noun
1.
a person whose occupation is the study of grammar
2.
the author of a grammar
Word Origin and History for grammarian
n.

"student of or writer on (Latin) grammar; philologist, etymologist;" in general use, "learned man," late 14c., from Old French gramairien (Modern French grammairien) "grammarian, wise man, person who knows Latin; magician," agent noun from grammaire (see grammar).