Noun phrases in English grammar are phrases in which a noun functions as the head of the phrase. A noun phrase consists of a noun including a pronoun plus any determiners, modifiers, and complements. Noun phrases perform nominal grammatical functions.
Noun phrase is a grammatical form.
The ten grammatical functions performed by noun phrases are subject, subject complement, direct object, object complement, indirect object, prepositional complement, noun phrase modifier, determinative, appositive, and adjunct adverbial.
Brinton, Laurel J. & Donna M. Brinton. 2010. The linguistic structure of Modern English, 2nd edn. Amsterdam: John Benjamins Publishing Company.
Hopper, Paul J. 1999. A short course in grammar. New York: W. W. Norton & Company.
Huddleston, Rodney. 1984. Introduction to the grammar of English. Cambridge: Cambridge University Press.