dinner dress vs evening dress

dinner dress

noun
  • A gown worn by Victorian women for dinners and parties held in people's homes. It often had long sleeves, a high neck, or a narrow skirt to set it apart from an evening gown. 

evening dress

noun
  • An elegant dress worn by women, especially for social events in the evening, an evening gown. 

  • formal attire worn for evening social events. 

How often have the words dinner dress and evening dress occurred in a corpus of books? (source: Google Ngram Viewer )