Dictionary
auc'tion block"
1. Also called block. a platform from which an auctioneer sells: the old courthouse where slaves were sold from the auction block.
2. put on the auction block, to offer for sale at auction; offer to sell to the highest bidder. Also,put on the block.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.