/ Thesaurus / C Synonyms of cistothorus palustris Find synonyms for: Noun1. long-billed marsh wren, Cistothorus palustris, marsh wrenusage: American wren that inhabits tall reed bedsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language