Discharge (verb)

1. Remove the load or contents of (a container).
2. Release (a liquid, gas, or substance) from a container.
3. Release (someone) from an obligation or duty.
4. To remove the load or contents of something.
5. To release something, such as a liquid, gas, or substance, from a container.

Origin:

Late middle english: from old french descharger, from des- (expressing reversal) + charger "load" (see charge (verb)).

Examples:

1. She discharged the water from the bucket.
2. The volcano discharged ash and lava.
3. The company discharged the employee for misconduct.
4. The battery was discharged after a few hours.
5. The doctor discharged the patient from the hospital.