noun. A breathing apparatus for swimmers and surface divers that allows swimming or continuous use of a face mask without lifting the head to breathe, consisting of a tube that curves out of the mouth and extends above the surface of the water.

noun. A retractable vertical tube in a diesel-engine submarine that contains air-intake and exhaust pipes for the engines and for ventilation, permitting extended periods of submergence at periscope depth.

intransitive verb. To swim or dive under water with a snorkel and often with a face mask and fins.

noun. A hollow tube, held in the mouth, used by swimmers for breathing underwater.

noun. A retractable tube fitted in diesel-engine submarines to allow sufficient ventilation that the engines may be used at periscope depth.

verb. To use a snorkel.

noun. air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time

verb. dive with a snorkel

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

"The scuba mask has to be made of tempered glass and has to fit my face, the fins have to be scuba fins (sturdier, broader from what I understand) and the snorkel is nothing special, but theyjust want you to use your own."

snorkeler  snorkeller  

air duct  air passage  airway  breathing apparatus  breathing device  

HAZMAT  ancillary  blowhole  cold-weather  cylindric  

Aqua-Lung  Foamite  acid  adjutage  air cylinder  

snorkeled  snorkeling  snorkelling  snorkels