American Heritage® Dictionary of the English Language, Fourth
Edition - v. To draw off (a liquid) by a gradual process:
drained water from the sink. - v. To cause liquid to go out
from; empty: drained the bathtub; drain the pond. - v. To draw
off the surface water of: The Mississippi River drains a vast
area. - v. To drink all the contents of: drained the cup. - v.
To deplete gradually, especially to the point of complete
exhaustion. See Synonyms at deplete. - v. To fatigue or spend
emotionally or physically: The day's events completely drained
me of all strength. - v. To flow off or out: Gasoline drained
slowly from the tilted can. - v. To become empty by the drawing
off of liquid: watched the tub slowly drain. - v. To discharge
surface or excess water: The Niagara River drains into Lake
Ontario. When flooded, the swamp drains northward. - v. To
become gradually depleted; dwindle: felt his enthusiasm
draining. - n. A pipe or channel by which liquid is drawn off. -
n. Medicine A device, such as a tube, insert