Today's AU - Collie Horse Racing Picks

Pari-Mutuel

A pool style wagering system, where all money input through betting is divided among those with winning tickets (save for various deductions by the track operators).

Overlay

A horse going off at higher odds than his recent efforts show that he deserves.

Bute

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