Etymology

Noun

1. A place where waste or garbage is left; a ground or place for dumping ashes, refuse, etc.

   A toxic waste dump.

2. A car or boat for dumping refuse, etc.
3. That which is dumped, especially in a chaotic way; a mess.
4. An act of dumping, or its result.

   The new XML dump is coming soon.

5. A storage place for supplies, especially military.
6. An unpleasant, dirty, disreputable, or unfashionable, boring or depressing looking place.

   This place looks like a dump.

   Don't feel bad about moving away from this dump.

7. An act of defecation.

   To take a dump.

8. A dull, gloomy state of the mind; sadness; melancholy; low spirits; despondency; ill humor (usually plural).

   March slowly on in solemn dump. -- Hudibras.

   Doleful dumps the mind oppress. --

   I was musing in the midst of my dumps. --John Bunyan.

9. Absence of mind; revery.
10. A pile of ore or rock.
11. A melancholy strain or tune in music; any tune.

    Tune a deploring dump.

    Play me some merry dump. --

12. An old kind of dance.
13. A small coin made by punching a hole in a larger coin.

Verb

1. To release, especially in large quantities and chaotic manner.
2. To discard; to get rid of something one does not want anymore.
3. To copy data from a system to another place or system, usually in order to archive it.
4. (informal) To end a relationship with.
5. To knock heavily; to stump.
6. To put or throw down with more or less of violence; hence, to unload from a cart by tilting it; as, to dump sand, coal, etc.
7. To precipitate (esp. snow) heavily.