A
noun (from
Latin nomen, literally meaning "name") is a
word that functions as the name of some specific thing or set of things, such as living creatures, objects, places, actions, qualities, states of existence, or ideas.
Linguistically, a noun is a member of a large,
open part of speech whose members can occur as the main word in the
subject of a
clause, the
object of a
verb, or the object of a
preposition.