The action or process of engaging or meshing together, typically referring to parts or elements that fit together securely.
The interlocking of the gears ensures the machine operates smoothly.
A system or arrangement in which parts are connected or linked together, often used in the context of safety mechanisms or complex systems.
The interlocking of the railway signals prevents accidents by ensuring only one train is on the track at a time.
In railroading, an arrangement of signals and track switches so interconnected that their movements must occur in a predetermined order to prevent conflicting train routes.
Modern rail networks rely on sophisticated interlocking to keep trains from entering the same section of track at the same time.