(lotteries)
1.
A ~ is a type of gambling game in which people buy numbered tickets. Several numbers are then chosen, and the people who have those numbers on their tickets win a prize.
...the national ~.
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2.
If you describe something as a ~, you mean that what happens depends entirely on luck or chance.
Which judges are assigned to a case is always a bit of a ~.
N-SING: a N