(n)a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus, Syn.scuba, Aqua-Lung
[sukuizu](n, vs) (1) squeeze; (2) (in scuba diving) discomfort or pain caused by increasing water pressure compressing body air spaces and pushing body tissue inward; (P)[Add to Longdo]