2 definitions found

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Noun \Noun\ (noun), noun [OF. noun, nun, num, non, nom, F. nom, fr. L. nomen name. See {Name}.] (Gram.) A word used as the designation or appellation of a creature or thing, existing in fact or in thought; a substantive.

Note: By some grammarians the term noun is so used as to include adjectives, as being descriptive; but in general it is limited to substantives.

From WordNet (r) 2.0 [wn]:

noun

noun

1: a word that can be used to refer to a person or place or thing

2: a word that can serve as the subject or object of a verb