sidetrack: Meaning and Definition of
side•track
Pronunciation: (sīd'trak"), [key] — v.t., v.i.
- to move from the main track to a siding, as a train.
- to move or distract from the main subject or course.
—n. - any railroad track, other than a siding, auxiliary to the main track.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.