Stake2  —n. 1 sum of money etc. Wagered on an event. 2 (often foll. By in) interest or concern, esp. Financial. 3 (in pl.) A prize-money, esp. In a horse-race. B such a race. —v. 1 wager. 2 us colloq. Support, esp. Financially.  at stake risked, to be won or lost. [old english]