/ Dictionary / Index S sidetrack: Meaning and Definition of Find definitions for: 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. See also: sidetrack (Thesaurus) side table side trip Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language