guide rail

noun

1. a track or rail designed to control the movement of an object, as a door or window.

Example Sentences

He bent his great arms and shoved himself into the air, deftly catching hold of a guide rail.

From Project Gutenberg

Expertly, he maneuvered himself to the guide rail near the center of the room, and caught the spiral.

From Project Gutenberg

In this case a guide rail is provided in the front part of the machine.

From Project Gutenberg