snorkel breather

Thesaurus

Noun

1.snorkel breather - air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of timeschnorchel, schnorkel, snorkel, breatherair duct, air passage, airway - a duct that provides ventilation (as in mines)pigboat, submarine, U-boat, sub - a submersible warship usually armed with torpedoes