Question

what is noun..........​

Answer 1

Hey Buddy ! ☺

The basic definition of a noun is :-
The name of a place, a person, a monument or a thing is a Noun.
or
A word that identifies the name of a place, a person or a thing is a Noun.

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It can be identified according to its position 'cause
→most of the nouns arrives after a determiner in a sentence and,
→ are often used after an adjective.

Answer 2

Noun is a naming word which describe person, place, thing, or idea. Examples of nounsinclude names, locations.