/ Thesaurus / R Synonyms of railroad siding Find synonyms for: Noun1. siding, railroad siding, turnout, sidetrack, railroad track, railroad, railwayusage: a short stretch of railroad track used to store rolling stock or enable trains on the same line to passWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language