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English definition of “their”


determiner     /ðeər/
OF A GROUP A1 belonging to or relating to a group of people , animals , or things that have already been talked about: It was their problem , not mine.Possessive forms
HIS/HER B1 used to refer to what belongs to or relates to a person when you want to avoid saying 'his' or 'her' or when you do not know if the person is male or female : Did this person give their name ?Possessive forms
(Definition of their determiner from the Cambridge Learner's Dictionary © Cambridge University Press)

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