auctioneer verb 2noun 1forms 3 verb2 •To sell at an auction; to auction. •To act as an auctioneer. noun1 •An individual who conducts an auction on behalf of a vendor, accepting bids to find the best price for the vendor.The auctioneer, with his fruity, theatrical voice and his gavel, hits a block of wood in precisely the same spot, no matter the day. — 2002 formsauctioneered · auctioneering · auctioneers