Morning Line

An approximation of expected odds in a race, quoted before actual odds are determined.

Claiming Race

A race in which horses are entered for a certain price, or claiming tag, which is also their sales price. An owner can claim any horse entered for the tag before the race begins, and owns them as soon as the gates open.

Rabbit

Also known as a pacemaker; this is a horse with no expected chance of winning but is used to prompt a quick pace on the front end of the race to the benefit of a stablemate who is a closer.