noun
- An example of pronoun is them.
- An example of pronoun is I.
- An example of pronoun is he.
The definition of a pronoun is a part of speech that replaces a noun in a sentence, assigning people or things as the subject.
pronoun

Gram. any of a small class of relationship or signal words that assume the functions of nouns within clauses or phrases while referring to other locutions within the sentence or in other sentences: I, you, them, it, ours, who, which, myself, anybody, etc. are pronouns
Origin of pronoun
altered (infl. by noun) from Middle French pronom from Classical Latin pronomen from pro, for + nomen, nounpronoun

noun
Abbr. pron. or pr.- The part of speech that substitutes for nouns or noun phrases and designates persons or things asked for, previously specified, or understood from the context.
- Any of the words within this part of speech, such as he or whom.
Origin of pronoun
Late Middle English pronoun, pronoune partial translation of Latin prōnōmen ( translation of Greek antōnumiā interchange of names, pronoun ) prō- pro- nōmen name, nounpronoun

Noun
(plural pronouns)
- (grammar) A type of noun that refers anaphorically to another noun or noun phrase, but which cannot ordinarily be preceded by a determiner and rarely takes an attributive adjective. English examples include I, you, him, who, me, my, each other.