snorkel

When you snorkel, you swim near the surface of the water while wearing a mask, fins, and a snorkel through which you can breathe. People like to snorkel in coral reefs, where they can see all kinds of ocean life.

If you've ever taken a beach vacation, you may have had a chance to snorkel, which is similar to scuba diving except that you stay very close to the water's surface. When you snorkel, you swim slowly, watching for interesting fish and other sea creatures, and breathe through a tube that's also called a snorkel. The word was originally a nautical term for a submarine air shaft, from German navy slang, Schnorchel, or "snout."

Definitions of snorkel
  1. noun
    breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface; allows swimmer to breathe while face down in the water
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    type of:
    breathing apparatus, breathing device, breathing machine, ventilator
    a device that facilitates breathing in cases of respiratory failure
  2. noun
    air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
    synonyms: breather, schnorchel, schnorkel, snorkel breather
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    type of:
    air duct, air passage, airway
    a duct that provides ventilation (as in mines)
  3. verb
    dive with a snorkel
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    type of:
    dive
    swim under water
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