Chichi scarf (5)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
ascot
(Other definitions for ascot that I've seen before include "Royal Berkshire race-meeting (and fashion show!)" , "Town with racecourse" , "Racecourse with royal associations" , "Berks racecourse" , "English racecourse in Berkshire" .)