unloading

unloading
    n 1: the labor of taking a load of something off of or out of a
         vehicle or ship or container etc. [ant: {loading}]
    

36 Moby Thesaurus words for "unloading":
      alleviation, cleaning out, clearance, clearing, defecation,
      depletion, disburdening, discharging cargo, disembarrassment,
      disencumberment, disencumbrance, drainage, draining, easement,
      easing, egress, elimination, emptying, evacuation, excretion,
      exhausting, exhaustion, lightening, off-loading, relief, removal,
      unballasting, unburdening, unfreighting, unlading, unsaddling,
      untaxing, unweighting, venting, voidance, voiding