Today's SE - Farjestad Horse Racing Picks

Bolt

A sudden veering to the inside or outside rail, often caused by the horse spooking or shying from something.

Turf Course

A racetrack made of grass.

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.