SE - Jagersro Galopp

Bolt

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

Apprentice

A new jockey who has not ridden a certain number of winners in a specified time period.

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).