Plural definition for english

He grammatical category in nouns, pronouns, and verbs that refers to more than one thing. Most nouns become plural with the addition of - s or - es: hats, chairs, dishes, countries, and so on. Some nouns form the plural in other ways, as in children, feet, geese, and women.

Plural basically means more than one

For example:

Person is 1

People is more than 1