Definition of scuba-dive:
(n) :
(underwater diving) An apparatus carried by a diver, which includes a tank holding compressed, filtered air and a regulator which delivers the air to the diver at ambient pressure which can be used underwater.
(v) :
(rare) To perform scuba diving.
(n) :
Alternative letter-case form of scuba. [(underwater diving) An apparatus carried by a diver, which includes a tank holding compressed, filtered air and a regulator which delivers the air to the diver at ambient pressure which can be used underwater.]