: material in the form of a tube : a series or system of tubes
: the activity of riding on an inner tube over snow, down a river, etc.
What made you want to look up tubing? Please tell us where you read or heard it (including the quote, if possible).
Take our visual vocab quiz
A quick quiz about stuff worth knowing
The commonly misspelled words quiz
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes