tubing
noun
[ ˈtjuːbɪŋ ]
• a length or lengths of metal, plastic, glass, etc., in tubular form.
• "use the plastic tubing to siphon the beer into the bottles"
• the leisure activity of riding on water or snow on a large inflated inner tube.
tube
verb
• fit (a person or animal) with a tube to assist breathing, especially after a laryngotomy.
• convey in a tube.
• "the wells were flooded, and this water, tubed off, yielded a supply of 38,000 gallons per hour"
• travel on the underground railway system in London.
• "I tubed to St Pancras"
• ride on water on a large inflated inner tube.
• "we tubed down creeks, slid down water cascades, and fished in canyons"
Origin:
mid 17th century: from French tube or Latin tubus .