A phrasal constituent which contains at least a noun, which is the head of the phrase. It may contain other constituents, such as Determiner and Adjective Phrase (before the noun) and Prepositional Phrase (following the noun). When the noun is a singular count noun there has to be a determiner, otherwise all of these are optional constituents in the Noun Phrase.

a phrase that can function as the subject or object of a verb

a group of words acting as a noun

a group of words that does not contains a subject and a predicate of its own

a group of words that form the subject or object of the sentence

a group of words which acts just like a single noun in a sentence

an uninterrupted string of nomina (nouns and pronouns)

a phrase constructed around a Noun

A phrase formed by a noun and its modifiers. A noun phrase can substitute for a noun in a sentence e.g. All company cars will be replaced.

A group of nouns listed together to add detail or ambiguity. example- ". . . a whippoorwill on the ridge pole, a blue jay screaming beneath the window, a hare or woodchuck under the house, a screech-owl or a cat-owl behind it, a flock of wild geese or a laughing loon on the pond. . . ." Henry David Thoreau "A casual or inadvertent word; the accidental dropping of turning of a card, with the accompanying anxiety or carelessness in regard to its concealment; the counting of the tricks, with the order of their arrangement; embarrassment, hesitation, eagerness, or trepidationóall afford, to his apparently intuitive perception, indications of the true state of affairs." Edgar Allen Poe

this consists of a noun or pronoun with determiners and/or adjectives and/or adverbs and/or verbs

A phrase which has a noun as its head.

A noun phrase is a group of words in a sentence which together behave as a noun.

A phrase that functions as a noun, and that has a noun as its head word.

A string of words that has a noun as its Head: computers the man in the moon young people who live in Italy NPs may take a determiner phrase as a premodifier, and PPs, to-infinitive clauses or relative clauses as postmodifiers.

A noun made up of more than one word

In grammatical theory, a noun phrase (abbreviated NP) is a phrase whose head is a noun or a pronoun, optionally accompanied by a set of modifiers.