major form class

n.

1.

(Grammar) Any of the parts of speech of traditional grammar.

Thesaurus

Noun

1.

major form class - any of the major parts of speech of traditional grammar form class, part of speech, word class - one of the traditional categories of words intended to reflect their functions in a grammatical context noun - the word class that can serve as the subject or object of a verb, the object of a preposition, or in apposition verb - the word class that serves as the predicate of a sentence adjective - the word class that qualifies nouns adverb - the word class that qualifies verbs or clauses