Breadcrumb Home > Dictionary > Index C collateral circulation: Meaning and Definition of Find definitions for: collat'eral circula'tion Pronunciation: [key] circulation of blood through a network of minor vessels that become enlarged and joined with adjacent vessels when a major vein or artery is impaired, as by obstruction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. collateral collateral damage TrendingHere are the facts and trivia that people are buzzing about. Did Birds Evolve from Dinosaurs? The Twelve Dancing Princesses Current Events This Week: January 2023 African Americans by the Numbers Andersen's Fairy Tales: Contents The Celtic Twilight: A Teller of Tales ✖ Related Content Daily Word Quiz: limpid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language