1
prefix
compound;composite;multiple;re-;bi-
2
doubles (tennis, badminton, etc.)
See also:
複試合 (ふくしあい)
3
place bet (in horse racing, etc.);show bet;bet that predicts a top 2 or top 3 finish (depending on number of horses, etc. in race)
See also:
複勝式 (ふくしょうしき)