Word Study
scuba
OXFORD DICTIONARY
scuba, n. (pl. scubas) an aqualung.
Etymology
acronym f. self- contained underwater breathing apparatus
THESAURUS
scuba
Aqua-Lung, air cylinder, aquascope, artificial respiration, aspiration, asthmatic wheeze, bathyscaphe, bathysphere, benthoscope, breath, breath of air, breathing, broken wind, cough, diving bell, diving boat, diving chamber, diving goggles, diving helmet, diving hood, diving mask, diving suit, exhalation, expiration, exsufflation, gasp, gulp, hack, hiccup, inhalation, inhalator, inspiration, insufflation, iron lung, mouth-to-mouth resuscitation, oxygen mask, oxygen tent, pant, periscope, puff, respiration, sigh, sneeze, sniff, sniffle, snore, snoring, snorkel, snuff, snuffle, sternutation, stertor, submarine, suspiration, swim fins, wet suit, wheeze, windFor further exploring for "scuba" in Webster Dictionary Online