an 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.
verb (used without object)
to engage in skin diving.
the sport or activity of diving and underwater swimming without wearing a diver's costume
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Expected activities include but are not limited to swimming, water skiing, or skin diving.
Water so designated is intended to be used for swimming, water skiing, or skin diving.
The beach offers recreational activities such as swimming, surfing, and skin diving.
Consider renting a weight belt if you intend to do any skin diving while snorkeling.
Surveys will be conducted using a combination of visual encounter surveys and skin diving.
All aspects of beach activity will be explored from beach running to skin diving.
But citizens appearing out of the blue in skin diving equipment are to be looked upon askance.
In those parts, no skin diving is allowed except for historical purposes.