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English definition of “chaperone”

chaperone

noun [C] uk (also chaperon)   /ˈʃæp.ə.rəʊn/ us    /-ɚ.oʊn/
(especially in the past) an older person, especially a woman, who goes with and takes care of a younger woman who is not married when she is in public: humorous She asked me to go to the cinema with her and Andrew, I think as a sort of chaperone. a female nurse who is in the same room when a female patient is examined by a male doctor, or a police officer who protects a person injured by a criminal when they are in public US an older person who is present at a social event for young people to encourage correct behaviour: Several parents acted as chaperones for the school disco.

chaperone

verb [T] uk (also chaperon)   /ˈʃæp.ə.rəʊn/ us    /-ɚ.oʊn/
(especially in the past) to go with and take care of a young woman who is not married when she is in public: Do you trust him on your own or do you want me to chaperone you? US to be present as an adult at a social event for young people to encourage correct behaviour: Several parents volunteered to chaperone class bus trips.
(Definition of chaperone from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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