This section is from the book "Bepler's Handy Manual of Knowledge And Useful Infomation", by David Bepler. Also available from Amazon: Bepler's Handy Manual of Knowledge and Useful Information.
Aged Horses - Usually applied to horses on the running turf that are over six years of age.
Beefy - A horse with too much fat.
Barney - A race in which there has been a " cross" or "sell-out."
Bar - When a horse is prohibited from running or trotting in a certain class or entering for any special purse (he is said to be barred).
Beat Out - Beaten by a distance or from the start.
Bolt - To give up the race by running to one side.
Boots - Canvas or leather appliances to protect the ankles or knees.
Break - In trotting, to change to a run or skip.
Breaker - A horse is said to be a good or bad breaker as regards his ability to get quickly back to the proper gait.
Broke Down - When the tendons supporting the cannon-bones give way the horse is said to be broken down.
Brush - A short contest on the road or track.
By a Throatlatch - When a horse wins by a head he is sometimes said to have won by a throatlatch.
Carom - So called when one horse in a race jostles another so as to interfere with the latter.
Collar - To catch up with the leading horse.
Colt - Usually applied to a male horse until he has completed his fourth year.
Crack (To) - This is said of a horse that gives way and falls behind the moment he is caught up with.
Cross - It is a double cross where the party who agrees to lose either wins or tries to win without giving warning to his confederates.
Campaign - To make a tour through the country during the racing season.
Catch - To fall quickly into the proper stride.
Caution - To admonish a jockey or driver against any infraction of the rules.
Circuit - A number of tracks associated together, such as the Western Circuit, Eastern Circuit, etc.
Claim - To protest; to claim a name for any horse.
Cluck - To make a clucking sound to encourage a horse to greater exertion.
Collar - To draw upon an antagonist.
Colors - The caps or costumes worn by jockeys or drivers to distinguish one from another.
Combination - A pool formed by jockeys or drivers to "fix" an event.
Convert - A term used by trainers; to change a horse's gait, such as a pacer to a trotter.
Cup - When a track is so moist that the horse's feet make deep impressions it is said to "cup."
Cut Down - To run a horse into another and injure his limbs so as to disable him.
Cut In - To take advantage of an opening.
Cut Out - To lead the others from the start; to set the pace.
Daisy Cutter - A horse that keeps his feet near the ground in trotting or running.
Dead Beat - Beaten to a standstill.
Dead Heat - When two or more horses cross the score at the same instant.
Dead One - A horse that will not run or has no chance to win, or is not meant to win.
Distance - In races of mile heats, 80 yards; of two mile heats, 150 yards; of three mile heats, 220 yards; of mile heats, 3 in 5, 100 yards.
Horses in these positions are declared "distanced" when the leading horse or horses have crossed the score.
Dosed - When a horse has been given a drug to cause him to lose a race he is said to have been dosed.
Drawn - Withdrawn before or during a race.
Duffer - A horse which loses heart or refuses to exert himself during a race.
Entry - The posting of the names of an owner and horse intending to participate in a race.
End to End - A race in which the pace is forced from start to finish, Filly - Usually, a mare continues to be so called until she has completed her fourth year.
Fixed - A race which is decided, before coming off, to go a certain way is said to have been "fixed."
Feather Weight - Seventy-five pounds. If all the contestants in a race were privileged to "feather" it would be a race at "catch weight," although ordinarily "catch weight" means that the owner of a horse can place any weight upon him that he chooses, and he is presumed to choose the lightest practicable.
Flag - The signal used by the judge to shut out or distance a horse.
Fluke - So said when a horse has won a race through an accident.
Free handicap - It is callid a free handicap race in which the owner, if he does not like the weight imposed by the handicaper, may withdraw his horse without paying forfeit.
For Blood - An expression used by drivers when they drive to win.
Forfeit - To pay forfeit; nonfulfillment of the conditions.
Gad - To whip or lash a horse.
Gentleman Rider - An amateur, or one who does not ride for pay.
Get Away - To rush from the score.
Go As They Please - To wagon, harness, or under saddle, as the owner pleases.
Gone Wrong - Out of condition, off the feed, or incapacitated from further use or turf training.
Got At - To poison a horse on the eve of a race or otherwise unfit him.
Handicaped - Weighted according to age, or the distance to be run or trotted.
Hands Down - A horse that wins without the aid of his jockey, and by the sheer force of his own speed is said to " win with [his jockey's] hands down."
Harness - When a horse trots to sulky he is said to go in "harness."
Headed - To lead the way by a head; to be lead by a head.
Heat - A division of the distance of a race, such as half-mile heats, mile heats, etc.
Hippodrome - A race that aims at gate money only, while professing to be for a stake, purse, or prize.
Homestretch - The last quarter of a track.
Hull Down - A nautical term, which, in its application to the turf, means that a horse is so far out of sight (behind) that he has no chance to win.
Hurdle - A fence-like arrangement used in hurdle races for horses to jump over.
In Condition. - A term used by trainers to express a horse's being in good form, or condition for racing.
Jock. - Jockey, driver, or horse-dealer.