"snorkel" in the noun sense
1. snorkel
breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface allows swimmer to breathe while face down in the water
2. snorkel, schnorkel, schnorchel, snorkel breather, breather
air passage provided by a retractable device containing intake and exhaust pipes permits a submarine to stay submerged for extended periods of time
"snorkel" in the verb sense
1. snorkel
dive with a snorkel
Source: WordNet® (An amazing lexical database of English)
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