ball gown - the most formal gown; worn to a ball

bridal gown, wedding dress, wedding gown - a gown worn by the bride at a wedding

dinner dress, dinner gown, evening gown, tea gown - a formal gown for evening wear

dress, frock - a one-piece garment for a woman; has skirt and bodice

mantua - loose gown of the 17th and 18th centuries

train - piece of cloth forming the long back section of a gown that is drawn along the floor; "the bride's train was carried by her two young nephews"

garment - an article of clothing; "garments of the finest silk"

academic gown, academic robe, judge's robe - a gown worn by academics or judges

outerwear, overclothes - clothing for use outdoors

vestment - gown (especially ceremonial garments) worn by the clergy

apparel, clothe, enclothe, garb, garment, raiment, tog, habilitate, fit out, dress - provide with clothes or put clothes on; "Parents must feed and dress their child"