Paddock

The area where horses gather before the race to be saddled and paraded for the public.

Trifecta

A wager picking the first, second and third horses in the exact order. A trifecta box means paying more to ensure the horses can finish in any order in the top three spots.

Bute

Shortened word for phenylbutazone, the common non-steroidal medication legal at most racetrack.