Dictionary.com
Thesaurus.com

inner tube

American  

noun

inner tubes plural
  1. a doughnut-shaped, flexible rubber tube inflated inside a tire to bear the weight of a vehicle.


inner tube British  

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of inner tube

First recorded in 1890–95

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Teaser videos include depictions of babies on water skis and a runway model whose dress features an inner tube and giant cigarette butts.

From The Wall Street Journal Jan. 5, 2026

Consider the analogy of trying to capture a 3D image of a child wearing an inner tube around their waist.

From Science Daily Apr. 22, 2024

A jet ski struck Foster’s son Kile Glover, who was floating on an inner tube being pulled by a pontoon boat in the lake.

From Los Angeles Times Jul. 14, 2023

Kile Glover, her 11-year-old son with Bounce TV founder Ryan Glover, died in July 2012 after a personal watercraft struck the boy as he floated in an inner tube on the lake.

From Seattle Times Jul. 13, 2023

One minute I was twelve years old and wondering where I could get enough money for an inner tube for my old used ten-speed.

From "Lawn Boy Returns" by Gary Paulsen

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training