1.  snorkel(n = noun.artifact) - 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;
is a kind of breathing apparatus, breathing device, breathing machine, ventilator
Derived form verb snorkel₁

2.  snorkel(n = noun.artifact) breather, schnorchel, schnorkel, snorkel breather - air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time;
is a kind of air duct, air passage, airway
is a part of pigboat, sub, submarine, u-boat

   snorkel(v = verb.motion) - dive with a snorkel;
is one way to dive
Derived forms noun snorkel₁, noun snorkeling₁
Sample sentences: Somebody ----s; Somebody ----s PP

snorkel, n. & v. (also schnorkel)
--n.
1 a breathing-tube for an underwater swimmer.
2 a device for supplying air to a submerged submarine.
--v.intr. (snorkelled, snorkelling; US snorkeled, snorkeling) use a snorkel.

Derivative:
snorkeller n.

Etymology:
G Schnorchel

snorkel breather, snorkel diving