Casual, slightly old-fashioned or folksy term for a small restaurant or eatery, often one serving simple meals like rice dishes.
A small eatery opened in front of the station.
There are many old-fashioned eateries around here.
Standard kanji spelling using ご飯 for 'meal/rice'.
Mixed kana-kanji spelling; less common but still seen.
Compound of ご飯 (gohan, 'meal, cooked rice') + 屋 (ya, 'shop, seller'). The prefix ご is an honorific often attached to 飯 (meshi).