Habroptila wallacii, a flightless bird from the family Rallidae, endemic to parts of Indonesia.

A rail, or system of rails (sometimes heated) in a bathroom, on which towels are hung to dry.

The electrified rail that runs beside or between train tracks to power electric trains. / (by extension) Anything that is dangerous to come into contact with, or is best avoided.

Used other than figuratively or idiomatically: see off, rail. / (idiomatic) In an abnormal manner, especially in a manner that causes damage or malfunctioning / (idiomatic) Insane.

plural of third rail

(rail transport) The top part of a railway rail; the part of the rail the wheel runs on.

A training device used for practicing skateboarding tricks, such as a grind or a board slide.

(simile, colloquial) Especially of a person, very skinny.

The transport of passengers and goods by means of wheeled vehicles specially designed to run on railways or railroads.

plural of light rail