civil uniform
formal style of costume, generally heavily regulated, acceptable for wear at specific events at a royal court
en-US/ˈsɪvəl ˈjunəˌfɔɹm/
en-GB/ˈsɪvəl ˈjuːnɪfɔːm/
formal style of costume, generally heavily regulated, acceptable for wear at specific events at a royal court