sidetrack

To divert from a main issue or course.

To delay or block the progress of deliberately.

To switch from a main railroad track to a siding.

To deviate from a main issue or course.

To run into a siding.

A railroad siding.

A short line of rails branching off by a switch from the main line of a railroad, and either returning to it or not at the further end, for use in turning out, shifting rolling-stock, etc.; a siding.

To put upon a side-track; shift from the main line of a railroad to a subsidiary one; shunt.

Figuratively, to divert to one side; turn aside from the proper or the practicable course.

To pass to a side-track; come to rest on a siding.