original question: Which garment has [Dinner dress] as its more specialized form?
answer: gown
answer type: Garment.
auxiliary information: A dinner dress is a gown that was worn by ladies in the Victorian era for dinners and parties at homes. It could be very elaborate, but often had long sleeves, a high neck, or a narrow skirt to set them apart from evening gowns. In the 20th century however, dinner dresses went out of fashion and were replaced by evening gowns for formal dinners.
[Dinner dress] is a more specialized form of what general garment?