Evening dress uniform

—( army ) a special full d. u. authorized for wear on occasions of ceremony to which officers are invited in their official capacity, such as balls, official dinners and receptions, etc.: an evening dre coat of dark blue cloth cut on the lines of the civilian dre coat, with regulation gilt buttons, of same number and placed as prescribed, the sleeves ornamented in same manner as full dre uniform coats; an evening waistcoat of dark blue or white with three small regulation buttons; also full dre trousers for all officers except those of engineers, cavalry, artillery and infantry, who wear dark blue trousers without stripes; patent leather shoes and full dre cap; shoulder ornaments, etc., per regulations. For occasions of special formality the u. for evening functions is the same as full dre dismounted u.; and this may be worn at above described occasions at discretion. On proper occasions, which are not official in character, officers are permitted to wear civilian evening dre .