Definify.com
Webster 1913 Edition
Noun
Noun
(noun)
, Noun.
(Gram.)
A word used as the designation or appellation of a creature or thing, existing in fact or in thought; a substantive.
☞ By some grammarians the term noun is so used as to include adjectives, as being descriptive; but in general it is limited to substantives.
Webster 1828 Edition
Noun
NOUN
,Noun.