An ELT Glossary : Noun

A noun is a word referring to people, places, things, animals, abstract concepts etc.  In the following examples, all the nouns are underlined. Other word classes referred to are in italics. Nouns can :

a) act as subject or object of a verb :  Cats like milk  
b) act as the object of a preposition : I went to America for work 
c) be modified by an adjective : I need a new pair of brown shoes.
d) can be used with determiners : Look at that car! Here's the bus. I like your bag.

See also :

Adjectival Nouns
Collective nouns
Compound nouns
Concrete Nouns and Abstract nouns
Countable and Uncountable Nouns
Proper Nouns and Common Nouns
Singular and plural nouns