A chit can refer to different things depending on the context. Here are some of the most common definitions found in the search results:

• A short letter or note, especially a signed voucher of a small debt (as for food) .
• A tab or IOU, a record of money owed.
• A small slip of paper with writing on it.
• A voucher of a small sum owed for drink, food, etc. .
• A note or memorandum.
• A requisition or receipt.

The word "chit" has its roots in the Hindi word "chitthi," which means "letter or note".