Definiciones
1.VerbTo double, especially to double again; to increase considerably; to multiply; to intensify."Having lost sight of our objectives, we redoubled our efforts."
2.VerbTo double an opponent's doubling bid.
3.VerbTo become twice as big.
4.VerbTo double again what was reduced to a single state.
5.NounAn optional bid made by the side currently holding the highest bid for the contract, after the opposing side has doubled.