noun Usage: often attributive Etymology: self-contained underwater breathing apparatus Date: 1952 an apparatus utilizing a portable supply of compressed gas (as air) supplied at a regulated pressure and used for breathing while swimming underwater
SCUBA
Meaning of SCUBA in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012