noun
eating house; simple restaurant
A casual, often inexpensive restaurant serving simple meals; can sound slightly old-fashioned or working-class.
駅前の飯屋で定食を食べた。
I had a set meal at an eating house in front of the station.
この辺りには安い飯屋が多い。
There are many cheap eating houses around here.
Compound of 飯 (めし, 'meal, cooked rice') and 屋 (や, 'shop, establishment').