inner tube

noun
1.
a doughnut-shaped, flexible rubber tube inflated inside a tire to bear the weight of a vehicle.
Also called tube.
Origin
1890-95
Examples from the web for inner tube
  • We'd feel the clams with our feet and rake them up, flipping them into a net attached to the inner tube.
  • Make a manifold with three lines to inner tube valves.
  • Every time you patch an inner tube, for example, you help limit the production and disposal of these nonrenewable resources.
  • He was relying on a heavy-duty inner tube, a pair of waders and flippers to propel him to the spots he wanted to work.
  • All are open only during the winter snow season and include the use of an inner tube as part of the admission price.
  • Other recreation activities include swimming in or floating down the brook on an inner tube.
  • The river makes a fun spot for canoeing or taking a float down the river in an inner tube.
  • The park offers paddle boat, kayak and inner tube rentals.
  • Then try your skills at the pumpkin sling shot to see if you can land a pumpkin in the inner tube floating on the farm pond.
  • Many campers also bring along their own inner tube or canoe for river float trips.
British Dictionary definitions for inner tube

inner tube

noun
1.
an inflatable rubber tube that fits inside a pneumatic tyre casing