Dejeuner

On a sudden, it seemed that a thousand bugles broke the blue air, and they were summoned to a dejeuner in four crimson tents, worthy of Sardanapalus.

Source: wiktionary

After going round the garden we returned to the house, where we found a dejeuner set out in the drawing-room, consisting of caviare, cheese, &c., and, of course, liqueurs.

Source: wiktionary

Then at 9:30 we had dejeuner, which means a regular dinner.

Source: wiktionary

After the service the wedding party drove to Government House Cottage, the residence of the bride’s parents, where the dejeuner was served, and in the afternoon the happy pair left for Melbourne for their honeymoon, the bride travelling in a dress of navy blue serge with jacket to match, and a blue hat ornamented with “Guards-red” birds.

Source: wiktionary