bid on

bid (something) on (something)

To say that one will pay a certain amount of money in exchange for an item, as at an auction. The monetary amount is often mentioned between "bid" and "on," while the item sought is named after "on." I can't believe I bid $500 on that necklace and still didn't win it! How much did you bid on that antique dresser?
See also: bid, on

bid on

v.
1. To offer some amount of money for something at an auction: I won't bid more than $10 on that sofa. Who would like to bid on this beautiful painting?
2. To respond to some business proposal with a bid: Four companies are bidding on this contract right now.
See also: bid, on