What is a singular noun?

A singular noun names one person, place, thing, or idea, while a plural noun names more than one person, place, thing, or idea

A singular noun names one person, place, thing, or idea, while a plural noun names more than one person, place, thing, or idea. There are a few basic rules to remember when it comes to turning a singular noun into a plural noun. Most singular nouns need an 's' at the end to become plural.