1. (noun) air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time

• breather
• schnorchel
• schnorkel
• snorkel breather

1. (noun) 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

• breathing apparatus
• breathing device
• breathing machine
• ventilator

2. (noun) air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time

• air duct
• air passage
• airway

3. (verb) dive with a snorkel

• dive

1. (verb) dive with a snorkel

• athletics
• sport

1. (noun) air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time

• breathe
• respire
• suspire
• take a breath

2. (verb) dive with a snorkel

• snorkel diving
• snorkeling