Definition of "scuba diving" []

• Underwater swimming using scuba equipment (noun)

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• "Diana Peterfreund has been scuba diving in the Great Barrier Reef, spelunking through sunken caverns in New Zealand, and, most importantly, white-water rafting with both her parents down the River of No Return."
• "When I was a midshipman, I went scuba diving in oceans around the world, surfed big waves in Hawaii, flew fast helicopters, and parachuted into the atmosphere to float down to Earth in absolute quiet."
• "Now, with the hands moving on the face of my scuba diving watch, a graduation gift from my grandfather, I threw some lunch in my backpack, jumped in my ten-year-old Ford, still running but on its last legs, and set out for the early morning drive east on Sunrise Highway toward Mastic Beach."