One versed in the knowledge of grammar, or of language generally; a philologist; often signifying also a writer upon, or teacher of grammar.

= grammarian, n. 1.

a grammarian; (in extended use) a person who uses grammar cleverly in dissembling.

A grammarian, a student of grammar; chiefly used disparagingly.

In extended use: a grammarian; a student of grammar. Obsolete.

The writer of a classical treatise on rhetoric or grammar (an Ars Rhetorica or Ars Grammatica).