auc·tion 
(ôk
sh
ən)
n.1. A public sale in which property or items of merchandise are sold to the highest bidder.
2. Games See auction bridge.
tr.v. auc·tioned,
auc·tion·ing,
auc·tions To sell at or by an auction: auctioned off the remaining inventory.
[Latin auctiō, auctiōn-, from auctus, past participle of augēre, to increase; see aug- in the Appendix of Indo-European roots.]