definition of
[snorkel]

[1] #1 snorkel n. 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. wn

[2] #2 snorkel v. dive with a snorkel. wn

[3] #3 snorkel n. [schnorkel, schnorchel, snorkel breather, breather] air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time. wn