aqualung
/ˈækwəlʌŋ/
noun
- A piece of equipment that allows a person to breathe underwater, consisting of one or more tanks of compressed air and a regulator.
- He rented an aqualung and explored the coral reef for the first time.
- Before diving, she checked that her aqualung was properly attached and full of air.
- The invention of the aqualung made recreational scuba diving possible for millions of people.
Synonyms