Definition, Meaning & Synonyms

third-rail

Noun

/θɜːrd reɪl/

Definition

The electric rail that supplies power to trains.

Examples

The trains run on a third rail that provides the necessary power.
In many cities, the third rail system is crucial for efficient subway operations.
Safety measures are in place to protect workers from the dangers of the third rail.

Meaning

In the transportation context, the term refers to the rail system used to deliver electricity to trains or trams, typically found on subways or light rail systems.