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

1.
used to wish someone enjoyment of the meal they are about to eat
:
•
The waiter served the food and said, "Bon appétit!"
•
Enjoy your dinner, bon appétit!
used to wish someone enjoyment of the meal they are about to eat