air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
[ Syn: snorkel , schnorkel , 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
[ Syn: snorkel , schnorkel , snorkel breather , breather ]