[mass noun] Wine formally offered in honour of a special guest.
- ‘I thanked the mayor for the reception, then everyone drank a toast of le vin d'honneur.’
- ‘We laid wreaths, made speeches, and drank vin d'honneur, a celebratory glass of Lindauer provided by courtesy of our Embassy in Paris’
- ‘After an exhaustive day of tastings, lunch with wine, more tastings, and then staggering back for (naturally) pre-concert vins d'honneur, those sofas were a terrible temptation.’
French, literally wine of honour.