tell (someone) officially that they can or must leave a place or situation

allow (a liquid, gas, or other substance) to flow out from where it has been confined

industrial plants discharge highly toxic materials into rivers

the overflow should discharge in an obvious place

do all that is required to perform (a duty) or fulfil (a responsibility)

the bank had failed to discharge its supervisory duties

(of a judge or court) cancel (an order of a court)

the court may discharge a care order on the application of the child