A more thorough explanation:

Definition: To bargain, negotiate, haggle, or dicker.

Example 1: The customer tried to chaffer with the salesperson to get a better price on the car.

Example 2: The two countries are currently chaffering over the terms of a trade agreement.

Explanation: Chaffer means to negotiate or bargain with someone in order to reach an agreement. In example 1, the customer is trying to negotiate a better price for the car with the salesperson. In example 2, the two countries are negotiating the terms of a trade agreement. Chaffering can happen in many different situations, such as buying a car, negotiating a business deal, or even deciding on a price for a used item at a garage sale.