An auction call is the process of inviting bids from potential buyers in an auction. The two crossword solutions for the term 'auction call' are BID (3 letters) and GONE (4 letters). BID is an offer to buy something at a certain price, while GONE is an indication that the item has been sold. Together, these two words describe the process of an auction call, where potential buyers make offers on an item until it is sold.