A formal uniform, worn for occasions such as mess dinners.
A compact set of eating utensils (including plate, cup, utensils) and sometimes cooking pots etc, used in the field by soldiers and by campers.
The most formal kind of eveningwear for men, consisting of an evening tailcoat, trousers with strips of braid down the side seams, white stiff-fronted shirt, white bow tie and waistcoat with or without sash.
A dress code specifying white tie for men and ball gown or evening dress for women, or, alternatively, full military dress or national costume.