to remove or discharge (e.g. cargo)
to take the cargo from (e.g. a lorry or ship)
to relieve (a person or animal) of something burdensome
to give vent to (e.g. feelings)
to remove the cartridge or projectile from (e.g. a gun)
to take (the cartridge or projectile) from a gun, etc
to remove the film from (a camera)
to take (the film) from a camera
to get rid of (something unwanted or surplus)
to sell (merchandise), esp in large quantities
to unload something
unloader noun