Word Study
noun
CIDE DICTIONARY
noun, n. [OF. noun, nun, num, non, nom, F. nom, fr. L. nomen name. See Name.].
A word used as the designation or appellation of a creature or thing, existing in fact or in thought; a substantive. [1913 Webster]
" 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]
OXFORD DICTIONARY
noun, n. Gram. a word (other than a pronoun) or group of words used to name or identify any of a class of persons, places, or things (common noun), or a particular one of these (proper noun).
Derivative
nounal adj.
Etymology
ME f. AF f. L nomen name
ROGET THESAURUS
noun
Nomenclature
N nomenclature, naming, nuncupation, nomination, baptism, orismology, onomatopoeia, antonomasia, name, appelation, appelative, designation, title, heading, rubric, caption, denomination, by-name, epithet, style, proper name, praenomen, agnomen, cognomen, patronymic, surname, cognomination, eponym, compellation, description, antonym, empty title, empty name, handle to one's name, namesake, term, expression, noun, byword, convertible terms, technical term, cant, named, hight, ycleped, known as, what one may well, call fairly, call properly, call fitly, nuncupatory, nuncupative, cognominal, titular, nominal, orismological, beggar'd all description.For further exploring for "noun" in Webster Dictionary Online