Plural means more than one and a noun is a word used to identify something. So, plural nouns are nouns that are more than one. ‘Birds’ is the plural of ‘bird’, for example, and the word ...

Otherwise, if the plural noun is irregular, like 'children' or 'women ... Jeff, I think it is more normal to add apostrophe 's' ('s) because the spelling with apostrophe s then indicates the ...