Scuba

//ˈskuːbə// noun, verb

noun, verb ·Uncommon ·College level

Definitions

Noun
  1. 1
    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.
  2. 2
    Alternative letter-case form of scuba. alt-of
  3. 3
    a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus wordnet
Verb
  1. 1
    To perform scuba diving. rare

Synonyms

All synonyms
air cylinderaqua lungaqua-lungaqua-lungaqualungaquascope

Example

More examples

"Have you ever tried scuba diving?"

Etymology

Etymology 1

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

Etymology 2

Acronym of self-contained underwater breathing apparatus.

Related phrases

scuba diverscuba divingscuba setscuba diving

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.