tubing

(noun) conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases. Synonyms: tube.

(verb) provide with a tube or insert a tube into. Synonyms: tube.

(verb) convey in a tube. Synonyms: tube. Example: "Inside paris, they used to tube mail."

(verb) ride or float on an inflated tube. Synonyms: tube. Example: "We tubed down the river on a hot summer day."

(verb) place or enclose in a tube. Synonyms: tube.