dump /dʌmp/ Pronunciation Key
-verb (used with object)
1. to drop or let fall in a mass; fling down or drop heavily or suddenly: Dump the topsoil here.
2. to empty out, as from a container, by tilting or overturning.
3. to unload or empty out (a container), as by tilting or overturning.
4. to be dismissed, fired, or released from a contract: The first baseman was dumped from the team after hitting .210 for the first half of the season.
5. to transfer or rid oneself of suddenly and irresponsibly: Don't dump your troubles on me!
6. Boxing Slang.
a. to knock down: The champion was dumped twice but won the fight.
b. to lose (a match) intentionally: a bribe to dump a fight.
7. Commerce.
a. to put (goods or securities) on the market in large quantities and at a low price without regard to the effect on market conditions.
b. to sell (goods) into foreign markets below cost in order to promote exports or damage foreign competition.
8. Computers. to print, display, or record on an output medium (the contents of a computer's internal storage or the contents of a file), often at the time a program fails.
9. Slang. to kill; murder: threats to dump him if he didn't pay up.
-verb (used without object)
10. to fall or drop down suddenly.
11. to throw away or discard garbage, refuse, etc.
12. Commerce.
a. to offer goods for sale in large quantities at a low price.
b. to dump below-cost goods into foreign markets.
13. to release contents: a sewage pipe that dumps in the ocean.
14. Slang. to complain, criticize, gossip, or tell another person one's problems: He calls me up just to dump.
15. Slang: Vulgar. to defecate.
-noun
16. an accumulation of discarded garbage, refuse, etc.
17. Also called dumpsite, dumping-ground. a place where garbage, refuse, etc., is deposited.
18. Military.
a. a collection of ammunition, stores, etc., deposited at some point, as near a battlefront, for distribution.
b. the ammunition, stores, etc., so deposited.
19. the act of dumping.
20. Mining.
a. a runway or embankment equipped with tripping devices, from which low-grade ore, rock, etc., are dumped.
b. the pile of ore so dumped.
21. Informal. a place, house, or town that is dilapidated, dirty, or disreputable.
22. (in merchandising) a bin or specially made carton in which items are displayed for sale: Fifty copies of the best-selling paperback novel were in a dump near the checkout counter.
23. Computers. a copy of the contents of a computer's internal storage or of the contents of a file at a given instant, that is printed, displayed, or stored on an output medium.
-Idiom
24. dump on (someone), Informal.
a. to attack with verbal abuse; criticize harshly: Reporters never tired of dumping on certain public figures.
b. to unload one's problems onto (another person): You never phone me without dumping on me.
[Origin: 1250-1300; ME (in sense "to fall suddenly") < ON dumpa strike, bump; modern senses as transit. v. and n. (not known before 19th cent.) perh. < another source, or independent expressive formation]

-Related forms
dumper, noun



from dictionary.com