The Collaborative International Dictionary
Drainage \Drain"age\, n.
A draining; a gradual flowing off of any liquid; also, that which flows out of a drain.
The mode in which the waters of a country pass off by its streams and rivers.
(Engin.) The system of drains and their operation, by which superfluous water is removed from towns, railway beds, mines, and other works.
Area or district drained; as, the drainage of the Po, the Thames, etc.
--Latham.-
(Surg.) The act, process, or means of drawing off the pus or fluids from a wound, abscess, etc.
Drainage tube (Surg.), a tube introduced into a wound, etc., to draw off the discharges.
Usage examples of "drainage tube".
Rocco positioned the gurney under the lights and began hooking up the drainage tube.
Even as he spoke, he was running a drainage tube with frantic haste.
The drainage tube was much smaller than that one had been - but no smaller than the branch tunnel in which Mike had hidden then.