skin-dive

skin diving

n. The sport of swimming under water with a face mask and fins, usually with a snorkel.

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skin′-dive′ v.skin diver n.

skin′-dive`

v.i. -dived -dove (-ˌdoʊv)
-div•ing. to engage in skin diving. [1950–55] skin′ div`er, n.

Thesaurus

Noun	1.	skin-dive - underwater swimming without any more breathing equipment than a snorkelskin divingswim, swimming - the act of swimming; "it was the swimming they enjoyed most": "they took a short swim in the pool"scuba diving - skin diving with scuba apparatussnorkel diving, snorkeling - skin diving with a snorkel
Verb	1.	skin-dive - swim underwater with no breathing apparatus other than a snorkelathletics, sport - an active diversion requiring physical exertion and competitiondive - swim under water; "the children enjoyed diving and looking for shells"