snorkel

  1. Noun.  A hollow tube, held in the mouth, used by swimmers for breathing underwater.
  2. Noun.  A retractable tube fitted in diesel-engine submarines to allow sufficient ventilation that the engines may be used at periscope depth.
  3. Verb.  To use a snorkel.

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This entry was last updated on RefTopia from its source on 3/20/2012.