verb1. to remove a load or cargo from (a ship, lorry, etc)
2. to discharge (cargo, freight, etc)
3. (transitive) to relieve of a burden or troubles
4. (transitive) to give vent to (anxiety, troubles, etc)
5. (transitive) to get rid of or dispose of (esp surplus goods)
6. (transitive) to remove the charge of ammunition from (a firearm)