scuba diving
US /ˈskuː.bə ˌdaɪ.vɪŋ/
UK /ˈskuː.bə ˌdaɪ.vɪŋ/

1.
the sport or activity of swimming underwater using special breathing equipment
:
•
We went scuba diving in the Caribbean.
•
She took lessons to learn scuba diving.
the sport or activity of swimming underwater using special breathing equipment