potluck
/ˈpɑːtlʌk/Definitions
1. noun
A meal in which each person brings a dish to be shared with others, often at a social gathering or event.
“The community center is hosting a potluck dinner to raise funds for the local food bank.”
2. verb
To participate in a meal where each person brings a dish to share with others.
“We’re going to potluck tonight at our friend’s house.”