quadpot means A bet in which the bettor must correctly pick a placed horse from the third, fourth, fifth and sixth race from any British race meeting. Lexicurio rates it Sui generis — a strength score of 85 out of 100.
Etymology
From quad- + jackpot.
noun
- A bet in which the bettor must correctly pick a placed horse from the third, fourth, fifth and sixth race from any British race meeting.