luncheon bar

plural luncheon bars

1. datedA counter serving lunches in a restaurant.

   The oyster shops form a set of luncheon bars by themselves; but there is a considerable variety on some of the counters. Pickled salmon and soused mackerel appear to be the favourite delicacies […]

   1870, London Society, volume 17, page 244

   1 more example

   The West End luncheon bars have, I think, made a considerable improvement of late years. They cannot indeed cook a mutton-chop or a beef-steak. That interesting branch of the fine arts has never flourished west of Temple Bar.

   1890, Frederick Arnold, The Philosopher in Slippers: Zigzag Views of Life and Society