Plural number is number that expresses reference to a quantity greater than that expressed by the largest specific number category in a language, such as "more than one" in English, and "more than two" in some other languages.
(English)
Here is an example of plural number:
Mish, Frederick (editor). 1991.Webster's ninth new collegiate dictionary. Springfield, MA: Merriam-Webster. 1,564 pages. 0877795088; indexed 0877795096; deluxe 087779510X.
Hartmann, R.R.K., and F.C. Stork. 1972.Dictionary of language and linguistics. London: Applied Science.
Crystal, David. 1987.The Cambridge encyclopedia of language. Cambridge, England: Cambridge University.
Crystal, David. 1980.A first dictionary of linguistics and phonetics. Boulder, CO: Westview.