Number
Definition:
Number is a grammatical category of nouns, pronouns, and verb agreement that expresses count distinctions (such as "one" or "more than one").
The count distinctions typically, but not always, correspond to the actual count of the referents of the marked noun or pronoun.
Examples:
(English)
In the word girls, plural number is marked by the suffix -s.
Source:
This page is an extract from the LinguaLinks Library. Version 5.0 published on CD-ROM by SIL International, 2003.