Today's SE - Bro Park Horse Racing Picks

Lasix

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

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).

Bolt

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