unload

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To remove the load or cargo from.
2. v. To discharge (cargo or a load).
3. v. To relieve of something burdensome or oppressive; unburden: unloaded the donkeys.
4. v. To give expression to (one's troubles or feelings); pour forth.
5. v. To remove the charge from (a firearm).
6. v. To dispose of, especially by selling in great quantity; dump.
7. v. To discharge a cargo or some other burden.

Century Dictionary and Cyclopedia

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

Wiktionary

1. v. transitive To remove the load or cargo from (a vehicle, etc.).
2. v. intransitive To deposit one's load or cargo.
3. v. transitive, intransitive, figuratively To give vent to or express.
4. v. transitive, computing To remove (something previously loaded) from memory.
5. v. transitive To discharge or pour a liquid.
6. v. transitive To get rid of or dispose of.
7. v. transitive To deliver forcefully.
8. v. transitive, slang To ejaculate, particularly within an orifice

GNU Webster's 1913

1. v. To take the load from; to discharge of a load or cargo; to disburden.
2. v. Hence, to relieve from anything onerous.
3. v. To discharge or remove, as a load or a burden.
4. v. To draw the charge from.
5. v. Brokers' Cant, U. S. To sell in large quantities, as stock; to get rid of.
6. v. To perform the act of unloading anything.

WordNet 3.0

1. v. leave or unload
2. v. take the load off (a container or vehicle)