An American breed of horse originally bred for short-distance racing.

(biochemistry) Any of many substances, produced by plants, that control or regulate their germination, growth, metabolism etc.

(genetics) The transfer of genetic material from one organism to another one that is not its offspring; especially common among bacteria.

(idiomatic) An appearance or sense of smug superiority.

A horse used for carrying luggage.

(dated, hunting) A horse used as cover by a hunter stalking game.

(idiomatic) The front bumper of a car when used to bump another vehicle, usually to inform the driver of the other vehicle that the first car would like to pass.

Rough or rowdy play that can often result in unintentional physical harm.

To engage in horseplay.

The meat from a horse.