Noun: 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
"The submarine used its snorkel breather to run its diesel engines while near the surface";
- snorkel, schnorkel, schnorchel, breather
Derived forms: snorkel breathers
Type of: air duct, air passage, airway