the Royal Enclosure
/ðə ˌrɔɪəl ɪnˈkləʊʒə(r)/
/ðə ˌrɔɪəl ɪnˈkləʊʒər/
- a special area of the grounds at Royal Ascot, a famous British horse-racing event. People are only allowed in if they have a ticket, and there are strict rules about what people can wear. Men must wear very formal suits and women must wear hats and dresses of an acceptable style.