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1. A breathing apparatus for swimmers and surface divers that allows swimming or continuous use of a face mask without lifting the head to breathe, consisting of a tube that curves out of the mouth and extends above the surface of the water.
2. A retractable vertical tube in a diesel-engine submarine that contains air-intake and exhaust pipes for the engines and for ventilation, permitting extended periods of submergence at periscope depth.
intr.v. snor·keled, snor·kel·ing, snor·kels
To swim or dive under water with a snorkel and often with a face mask and fins.
[German Schnorchel, from dialectal, nose (from its resemblance in shape to a nose).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.