'Pronoun' definitions:
Definition of 'pronoun'
From: WordNet
noun
A function word that is used in place of a noun or noun phrase
Definition of 'Pronoun'
From: GCIDE
- Pronoun \Pro"noun\, n. [Pref. pro- + noun: cf. F. pronom, L. pronomen. See Noun.] (Gram.) A word used instead of a noun or name, to avoid the repetition of it. The personal pronouns in English are I, thou or you, he, she, it, we, ye, and they. [1913 Webster]