noun
quinella; dual forecast; reverse forecast
A type of bet in horse racing or similar sports where the bettor picks the first two finishers in any order. The term is used in Japanese betting contexts.
競馬で連勝複式を買うときは、1着と2着の組み合わせを順不同で選びます。
When placing a quinella bet in horse racing, you select the combination of first and second place in any order.