aqua-lung
noun
Meaning
A portable breathing apparatus for divers, consisting of a tank of compressed air strapped to the back and connected to a mouthpiece.
Examples
- Modern scuba gear has evolved significantly since the invention of the original aqua-lung.
- He practiced using his aqua-lung in the shallow end of the pool before heading to the open ocean.
Synonyms: scuba gear, breathing apparatus, scuba set, self-contained underwater breathing apparatus