Search Result for "noun": 
Wordnet 3.0

NOUN (2)

1. a content word that can be used to refer to a person, place, thing, quality, or action;

2. the word class that can serve as the subject or object of a verb, the object of a preposition, or in apposition;


The Collaborative International Dictionary of English v.0.48:

Noun \Noun\ (noun), n. [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. [1913 Webster] 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. [1913 Webster]
WordNet (r) 3.0 (2006):

noun n 1: a content word that can be used to refer to a person, place, thing, quality, or action 2: the word class that can serve as the subject or object of a verb, the object of a preposition, or in apposition