Formal

• abstract: Formal Hall or Formal Meal is the meal held at some of the oldest (arguably with a strong academic tradition), universities in the United Kingdom and Ireland (as well as some other Commonwealth countries) at which students dress in formal attire and often gowns to dine. These are held commonly in the colleges of, for examples, Oxford,Formal Hall Etiquette, Jesus College, Oxford, UK.

以上来源于: WordNet