Whatever may chance to be in the pot, or may be provided for a meal.
- Whatever food happens to be available for a meal, especially when offered to a guest: Having arrived unannounced for supper, we had to take potluck.
- A meal at which each guest brings food that is then shared by all. Also called potluck supper.
- Whatever is available at a particular time: The scheduled flight was canceled and passengers had to take potluck on the other airlines.