intransitive verb
Definition: To ride or float on an inflated object, often for fun or leisure.
Example: We decided to tube down the river on a sunny day.
noun
Definition: A hollow cylindrical object that can hold or transport liquids, gases, or other materials, or a small container for substances like toothpaste.
Example: I bought a new tube of toothpaste for my bathroom.
transitive verb
Definition: To put something inside a tube or to fit a tube into something.
Example: The technician will tube the samples for testing.