noun (plural holes-in-the-wall) Date: 1856 a small and often unpretentious out-of-the-way place (as a restaurant)
HOLE-IN-THE-WALL
Meaning of HOLE-IN-THE-WALL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012