- equipment worn by divers for breathing underwater, consisting typically of one or two compressed-air tanks strapped to the back and connected by a hose to a mouthpiece
- scuba diving
Origin of scubas(elf-)c(ontained) u(nderwater) b(reathing) a(pparatus)
of or for scuba diving: scuba gear
A portable apparatus having a container with compressed air, a regulator that is equipped with a mouthpiece and adjusts the pressure of the released air to match the surrounding pressure, and often a buoyancy compensator, used for breathing under water.
Origin of scubas(elf-)c(ontained) u(nderwater) b(reathing) a(pparatus).
(third-person singular simple present scubas, present participle scubaing, simple past and past participle scubaed)
- (rare) To perform scuba diving.