Definition of "Bid" :

noun: an attempt to get something

"He made a bid to gain attention."

noun: (bridge) the number of tricks a bridge player is willing to contract to make

noun: a formal proposal to buy at a specified price

noun: an authoritative direction or instruction to do something

verb: ask for or request earnestly

"The prophet bid all people to become good persons."

verb: ask someone in a friendly way to do something

verb: invoke upon

"Bid farewell."

verb: make a serious effort to attain something

"His campaign bid for the attention of the poor population."

verb: propose a payment

verb: make a demand, as for a card or a suit or a show of hands