/ Thesaurus / R Synonyms of railroad vine Find synonyms for: Noun1. railroad vine, beach morning glory, Ipomoea pes-caprae, morning gloryusage: a prostrate perennial of coastal sand dunes Florida to TexasWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language