inner-tubing
[
in
-er-
too
-bing, -
tyoo
-]
/ˈɪn ərˈtu bɪŋ, -ˈtyu-/
noun
1.
tubing
(def 4).
British Dictionary definitions for
inner-tubing
inner-tubing
noun
1.
the sport of floating on rivers, rapids, etc using a large inflated inner tube as a buoyancy device