Noun: schnorchel
- 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 raised its schnorchel to replenish its air supply";
- snorkel, schnorkel, snorkel breather, breather
Type of: air duct, air passage, airway
Part of: pigboat [informal], sub [informal], submarine
Encyclopedia: Schnorchel