Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun aqua-lung
1 sense of aqua-lung
Sense 1
aqualung, Aqua-Lung, scuba -- (a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus)
=> breathing device, breathing apparatus, breathing machine, ventilator -- (a device that facilitates breathing in cases of respiratory failure)