duoplural

Adjective

 * 1)  Pertaining to grammatical number (as in singular and plural), referring to two or more of something; nonsingular.

Noun

 * 1)  Duoplural number; the grammatical number of a noun marking two or more of something.
 * Languages that employ the duoplural include Navajo and Taos, where the verb shows singular, dual, and plural numbers, but the nouns are marked only as singular or nonsingular (duoplural).