drain: Meaning and Definition of

drain

1. to withdraw or draw off (a liquid) gradually; remove slowly or by degrees, as by filtration: to drain oil from a crankcase.
2. to withdraw liquid gradually from; make empty or dry by drawing off liquid: to drain a crankcase.
3. to exhaust the resources of: to drain the treasury.
4. to deprive of strength; tire.

1. to flow off gradually.
2. to become empty or dry by the gradual flowing off of liquid or moisture: This land drains into the Mississippi.

1. something, as a pipe or conduit, by which a liquid drains.
2. a material or appliance for maintaining the opening of a wound to permit free exit of fluids.
3. gradual or continuous outflow, withdrawal, or expenditure.
4. something that causes a large or continuous outflow, expenditure, or depletion: Medical expenses were a major drain on his bank account.
5. an act of draining.
1. an artificial watercourse, as a ditch or trench.
2. a natural watercourse modified to increase its flow of water.
1. to become worthless or profitless.
2. to go out of existence; disappear.