scuba


scuba

noun

  1. 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.
  2. scuba diving.

verb (used without object), scu·baed, scu·ba·ing.

  1. scuba-dive.

noun

    1. an apparatus used in skindiving, consisting of a cylinder or cylinders containing compressed air attached to a breathing apparatus
    2. (as modifier)scuba diving

1952, acronym for self-contained underwater breathing apparatus.

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