From SCUBA, acronym of self-contained underwater breathing apparatus; now usually viewed as anacronymic.

• IPA^(key): /ˈskuːbə/

• Audio (Southern England):

  (file)

• Rhymes: -uːbə

scuba (plural scubas)

1. (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.

   Alternative form: SCUBA

   Hypernyms: breathing apparatus < apparatus, equipment

   Coordinate term: SCBA

scuba (third-person singular simple present scubas, present participle scubaing, simple past and past participle scubaed)

1. (rare) To perform scuba diving.

• Bacus, ubacs