Potluck (noun)

1. A communal meal to which each guest brings a dish to be shared, often as part of a celebration.
2. An assortment or mixture of various items or things, especially one that is diverse and has been gathered randomly.

Origin:

The word 'potluck' originated in the 16th century and is derived from the earlier phrase 'what cheer' meaning 'what luck'. the word has been used in english since the 17th century.

Examples:

1. The church hosted a potluck dinner on Sunday after the service.
2. She decided to take a chance and attend the potluck hoping to meet new friends.
3. The potluck was a diverse spread of dishes, reflecting the cultural backgrounds of the guests.
4. He brought his famous chili to the potluck, which quickly became the most popular dish.
5. The potluck was a testament to the power of community, as everyone came together to share their food and company.