aqua-lung aqualung • aqua marina · · · Info · Definitions · Synonyms · Characters · · aqua-lung · · Text Common · · Latin · · Scripts 9 · · Length 4 · · Syllables Definitions · · · (noun) a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus. Synonyms: aqualung, Aqua-Lung, scuba. · · Noun Definition 1 Synonyms · · · aqualung · · Synonym 1 scuba · · Synonym 2 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 g latin small letter g U+0067 l latin small letter l U+006C n latin small letter n U+006E q latin small letter q U+0071 u latin small letter u U+0075