What does possessive singular noun mean?

Answer 1

A singular noun is when something that you are speaking of is just one:

hat

Mary

school

banana

grasshopper

A possessive noun is something that has something else belonging to it, these are the possessive forms of the above singular nouns:

hat's brim

Mary's sister

school's gym

banana's peel

grasshopper's wings

Possession is shown by the apostrophe s - ('s)

Answer 2

A noun is a word for a person, a place, or a thing.

A singular noun is a word for just one person, place, or thing.

A possessive noun is a noun that shows something belongs to that noun.

A singular possessive noun is a noun for one person, place, or thing that shows something belongs to that noun. Possession is shown by the addition of an 's to the end of the word. Examples of singular possessive nouns:

The man's dog was well behaved.

We stayed up to watch the city's lights come on.

The carrot's color added brightness to the salad.