a series of social events held every year in or near London and attended by people from the highest social class. In the past, this was an important part of life for the British upper class, and it is often mentioned in literature, but it is much less important now. It includes parties for debutantes, and several well-known sports events, including Royal Ascot, and the Henley Regatta.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.
Dictionary pictures of the day
Do you know what each of these is called?
Click on any of the pictures above to find out what it is called.