Definition of “diving” - Learner’s Dictionary

diving

noun [ U ] uk us /ˈdaɪvɪŋ/
SWIMMING

B1 the activity or sport of swimming under water, usually using special breathing equipment

JUMPING

the activity or sport of jumping into water with your arms and head going in first

→ See also scuba diving

(Definition of “diving” from the Cambridge Learner's Dictionary © Cambridge University Press)