Superfecta

A wager involving choosing the first, second, third, and fourth horses in one race in the exact order. A superfecta box involves paying more to ensure they can finish in any order in the top four spots.

Handicap

A race where a handicapper has assigned weights to be carried by all runners on the basis of their past racing efforts.

Lasix

A medication for the treatment of bleeding in horses that is legal in North America, but not all worldwide jurisdictions.