bon appétit
US /ˌbɑːn æpəˈtiː/
UK /ˌbɑːn æpəˈtiː/

1.
buon appetito
used to wish someone enjoyment of the meal they are about to eat
:
•
The waiter served the food and said, "Bon appétit!"
Il cameriere ha servito il cibo e ha detto: "Buon appetito!"
•
Enjoy your dinner, bon appétit!
Goditi la cena, buon appetito!