the sport or activity of diving without the aid of breathing apparatus
Collins Concise English Dictionary © HarperCollins Publishers::
skin div•ing /ˈskɪn ˌdaɪvɪŋ/USA pronunciation n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2025- Sportunderwater swimming and exploring with a face mask and flippers.
free′ div′ing, [Chiefly Brit.]
free′ div′er.
WordReference Random House Unabridged Dictionary of American English © 2025- SportSee skin diving.
- 1950–55
skin′ div′ing,
- Sportan underwater sport in which the swimmer, equipped with a lightweight mask, foot fins, and either a snorkel or a portable air cylinder and breathing device, can move about quickly and easily underwater, as for exploring or spear fishing. Also called,[esp. Brit.,] free diving.
- 1945–50