pronoun has definitions from the fields of grammar,linguistics
1
[ noun ] (grammar,linguistics) a function word that is used in place of a noun or noun phrase

Used in print

(Philip Jos‚ Farmer, The Lovers....)

All the other parts_of_speech : nouns , pronouns , adjectives , adverbs , and conjunctions operated under the same system as the verbs .

(Evan Esar, Humorous English; a guide to comic ,...)

Ambiguity arises when the pronoun it carries a twofold reference .

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