odds-on
Odds of less than even money.
off-track betting
Wagering at legalized betting outlets usually run by the tracks, management companies specializing in parimutuel wagering, or, in New York State, by independent corporations chartered by the state. Wagers at OTB sites are usually commingled with on-track betting pools.
on the nose
Betting a horse to win only.
OTB
Abbreviation for off-track betting.
overlay
A horse going off at higher odds than it appears to warrant based on its past performances.
overnight
A sheet published by the racing secretary’s office listing the entries for an upcoming racing card.
