/ Thesaurus / F Synonyms of flue pipe Find synonyms for: Noun1. flue pipe, flue, labial pipe, organ pipe, pipe, pipeworkusage: organ pipe whose tone is produced by air passing across the sharp edge of a fissure or lipWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language