To take the load from; discharge of a load or cargo; disburden: as, to unload a ship; to unload a cart.To remove, as a cargo or burden, from a vessel, vehicle, or the like; discharge: as, to unload freight.Figuratively, to relieve from anything onerous or troublesome; remove and cause to cease to be burdensome.To withdraw the charge, as of powder and shot or ball, from: as, to unload a gun.To sell in large quantities, as stock; get rid of: as, to unload shares of the A and B railway.To go through the process of unloading; discharge a cargo.