noun
1.
[ U ] elegant clothes worn for formal occasions in the evening :
Everyone was in evening dress.
2.
[ C ] a woman's long formal dress
noun
1.
[ U ] elegant clothes worn for formal occasions in the evening :
Everyone was in evening dress.
2.
[ C ] a woman's long formal dress
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005