drain

to withdraw or draw off (a liquid) gradually; remove slowly or by degrees, as by filtration.

to drain oil from a crankcase.

to withdraw liquid gradually from; make empty or dry by drawing off liquid.

to drain a crankcase.

to exhaust the resources of.

to drain the treasury.

to deprive of strength; tire.

to flow off gradually.

to become empty or dry by the gradual flowing off of liquid or moisture.

This land drains into the Mississippi.

something, as a pipe or conduit, by which a liquid drains.

Surgery. a material or appliance for maintaining the opening of a wound to permit free exit of fluids.

gradual or continuous outflow, withdrawal, or expenditure.

something that causes a large or continuous outflow, expenditure, or depletion.

Medical expenses were a major drain on his bank account.

an act of draining.

Physical Geography.

1. an artificial watercourse, as a ditch or trench.

2. a natural watercourse modified to increase its flow of water.

a pipe or channel that carries off water, sewage, etc

an instance or cause of continuous diminution in resources or energy; depletion

surgery a device, such as a tube, for insertion into a wound, incision, or bodily cavity to drain off pus, etc

electronics the electrode region in a field-effect transistor into which majority carriers flow from the interelectrode conductivity channel

wasted