Noun n. 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.
n 1: a word that can be used to refer to a person or place or
2: a word that can serve as the subject or object of a verb