Aqua-Lung

or Aq·ua Lung

[ ak-wuh-luhng, ah-kwuh- ]
/ ˈæk wəˌlʌŋ, ˈɑ kwə- /

Trademark.

a brand of underwater breathing apparatus for a swimmer or skin-diver, consisting of a cylinder of compressed air that is strapped to the back, a flexible tube connecting the cylinder with the swimmer's mouth, and an automatic pressure regulator that controls the flow of air into the lungs.

Example sentences from the Web for aqualung

  • He was suddenly impatient to get going, to put on his aqualung and explore the reef from top to bottom.

    The Wailing Octopus |Harold Leland Goodwin

British Dictionary definitions for aqualung

aqualung
/ (ˈækwəˌlʌŋ) /

noun

breathing apparatus used by divers, etc, consisting of a mouthpiece attached to air cylinders strapped to the back