A silent auction is an event where people bid on items without speaking aloud. They write down their bids on paper, and the highest bidder wins the item. Full definition
We provide donations to some of the local rescue groups for silent auctions, etc.. (tlcpethospital.net)
More than 150 guests came to play professional casino games — for fun and prizes — and bid on an array of silent auction items. (remonline.com)
Art at Work hosts four quarterly culminating exhibitions with silent auctions at the end of each program session where visual art created by students during each program session are showcased. (fultonarts.org)