Etymology: Middle English, from Anglo-French descharger, from Late Latin discarricare, from Latin dis- + Late Latin carricare to load — more at charge
Date: 14th century
transitive verb1: to relieve of a charge, load, or burden: a:unload<discharge a cargo ship>b: to release from an obligation c: to release electrical energy from (as a battery or capacitor) by a discharge 2 a: to let or put off <discharge passengers><discharge cargo>b:shoot<discharge an arrow>c: to release from confinement, custody, or care <discharge a prisoner><discharge a patient>d: to give outlet or vent to :emit<discharge emotions> 3 a (1): to dismiss from employment (2): to release from service or duty <discharge a soldier>b: to get rid of (as a debt or obligation) by performing an appropriate action (as payment) c: to set aside :annuld: to order (a legislative committee) to end consideration of a bill in order to bring it before the house for action 4: to bear and distribute (as the weight of a wall above an opening) 5: to bleach out or remove (color or dye) in dyeing and printing textiles 6: to cancel the record of the loan of (a library book) upon returnintransitive verb1 a: to throw off or deliver a load, charge, or burden b: to release electrical energy by a discharge 2 a:go off, fire —used of a gun b:spread, run<some dyes discharge>c: to pour forth fluid or other contents