A BUYER's bid is an OFFER made by a potential BUYER to purchase a product or service. It is usually the highest price that the BUYER is willing to pay for the item. The term 'BUYER's bid' is often used in auctions, where buyers compete against each other to win the item. In this context, the BUYER's bid is the highest amount they are willing to pay for the item. The seller may accept the BUYER's bid or reject it and wait for a higher OFFER.