Noun
a single bet on two horse races in the same day
Source: WordNetAnd when it was one of the first six clues selected, the Daily Double was worth $1,000; otherwise, it doubled your money. Source: Internet
When he wagered everything on a Daily Double, host Alex Trebek quipped, "Do it." Source: Internet
The Double Jeopardy round was a bit more competitive, as both Holzhauer and Jennings each went all in on a Daily Double — complete with the poker-chip hand gesture! Source: Internet