Breadcrumb Home > Dictionary > Index S siphonophore: Meaning and Definition of Find definitions for: si•pho•no•phore Pronunciation: (sī'fu-nu-fôr", -fōr", sī-fon'u-), [key] — n. any pelagic hydrozoan of the order Siphonophora, being a floating or swimming colony composed of polyps. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: siphonophore (Thesaurus) siphono- siphonostele TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: miasma Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language