Auctioneer's word
I believe the answer is:
sold
'auctioneer's word' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for sold that I've seen before include "Exchanged for money" , "Flogged" , "Retailed" , "Handed over for money" , "Disposed of to a purchaser" .)