chaperone chaperone /ˈʃæpɝˌoʊn/

noun

1. One who accompanies and supervises a young woman or gatherings of young people  ( chaperon , chaperone )
   one who accompanies and supervises a young woman or gatherings of young people
   

verb

1. Accompany as a chaperone  ( chaperon , chaperone )
   accompany as a chaperone