Breadcrumb Home > Dictionary > Index S scuba: Meaning and Definition of Find definitions for: scu•ba Pronunciation: (sk'bu), [key] — n., v., scu•baed, scu•ba•ing. —n. a portable breathing device for free-swimming divers, consisting of a mouthpiece joined by hoses to one or two tanks of compressed air that are strapped on the back. See —v.i. scuba-dive. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: scuba (Thesaurus) SCSI scuba-dive 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: saturnine Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language