Meaning of hole-in-the-wall | Babel Free

Definitions

1. A restaurant, shop or other establishment catering to customers that is particularly inconspicuous and easily overlooked.
   Canada, US
2. Synonym of automated teller machine.
   British, colloquial

Examples

“They walked by a tea museum, two local pharmacies, a bakery, and one hole-in-the-wall shop still selling knickknacks from Chinese New Year, before coming to a stop outside the unassuming front door of 189.”

CEFR level