Tube \Tube\, v. t. [imp. & p. p. Tubed; p. pr. & vb. n. Tubing.] To furnish with a tube; as, to tube a well.
Source: Webster's Revised Unabridged Dictionary (1913)
Tubing \Tub"ing\, n.1. The act of making tubes.
2. A series of tubes; tubes, collectively; a length or piece of a tube; material for tubes; as, leather tubing.