The Collaborative International Dictionary of English v.0.48:
Future \Fu"ture\, n. [Cf. F. futur. See Future, a.]
1. Time to come; time subsequent to the present (as, the
future shall be as the present); collectively, events that
are to happen in time to come. "Lay the future open."
2. The possibilities of the future; -- used especially of
prospective success or advancement; as, he had great
future before him.
3. (Gram.) A future tense.
To deal in futures, to speculate on the future values of
merchandise or stocks. [Brokers' cant]