I. plu‧ral¹ /ˈplʊərəl $ ˈplʊr-/ noun [countable]
a form of a word that shows you are talking about more than one thing, person etc. For example, ‘dogs’ is the plural of ‘dog’ Antonym : singular
in the plural
‘Sheep’ remains the same in the plural.
plural of
What’s the plural of ‘mouse’?

[TahlilGaran] Dictionary of Contemporary English ▲

II. plural² adjective
[Date: 1300-1400; Language: Old French; Origin: plurel, from Latin pluralis, from plus; ⇒ plus¹]

1. a plural word or form shows you are talking about more than one thing, person etc. For example, ‘we’ is a plural pronoun. Antonym : singular

2. formal a plural society, system, or culture is one with people from many different religions, races etc:
Britain has developed into a plural society.

[TahlilGaran] Dictionary of Contemporary English ▲