Green’s Dictionary of Slang

eating-joint n.

(Aus.) a restaurant, a café.

[Aus]Bulletin (Sydney) 6 Sept. 41/2: About three weeks later I’m having some scran in an eating-joint down near the Quay.
[US]W.R. Burnett Underdog 114: [O]n their right loomed big apartment buildings that grew progressively shabbier as they moved southward. Then there were no more apartment buildings, but stores, bars, eating joints.