Main Entry: pro·noun

Pronunciation: \ˈprō-ˌnau̇n\

Function: noun

Etymology: Middle English, from Anglo-French, from Latin pronomin-, pronomen, from pro- for + nomin-, nomen name — more at pro-, name

Date: 1530

: any of a small set of words in a language that are used as substitutes for nouns or noun phrases and whose referents are named or understood in the context