What is Bid?

Legal Definition
Contracts. A bid is an offer to pay a specified price for an article about to be sold at auction. The bidder has a right to withdraw his bid at any time before it is accepted, which acceptance is generally manifested by knocking down the hammer. 3 T. R. 148; Hardin's Rep. 181; Sugd. Vend. 29; Babington on Auct. 30, 42; or the bid may be withdrawn by implication. 6 Penn. St. R. 486; 8, Id. 408. Vide 0ffer.
-- Bouviers Law Dictionary
Legal Definition
An offer by an intending purchaser to pay a designated price for property which is about to be sold at auction. U. S. v. Vestal (D. C.) 12 Fed. 59; Payne v. Cave, 3 Term, 149; Eppes v. Railroad Co., 35 Ala. 56.
-- Black's Law Dictionary
Legal Definition
To make an offer at an auction sale; an offer.
-- Ballentine's Law Dictionary