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their determiner

Click to hear the UK pronunciation of this wordClick to hear the US pronunciation of this word/ðeər//ðer/ det

Definition

of or belonging to them
He gave them their coats.
used to refer to one person in order to avoid saying 'his or her'
One of the students has left their book behind.

(Definition of their determiner from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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