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n. A portable apparatus containing compressed air and used for breathing under water.

n. An apparatus carried by a diver, which includes a tank holding a mixture of oxygen and other gases, used for breathing underwater.

v. To perform scuba diving.

n. a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus

"While the term scuba stands for self-contained underwater breathing apparatus, the scuba diving kit consists of more than an air tank, facemask and a mouthpiece on a hose."

scubas   

breathing apparatus    breathing machine    breathing device    ventilator   

scuba set    scuba diver    scuba diving   

Aruba    Cuba    Juba    Luba    Suba    Yoruba    chuba    juba    suba    tuba   

racquetball    snorkel    HAZMAT    spelunking    woodworking    Dumpster    deep-ocean    pseudowindow    boating    mountaineering