dump/ d^mp /

1.noun [c] 
(tip) (for rubbish) 垃圾场

2.noun [inf] 
(pigsty,tip) 脏乱的地方

3.noun
(store) (for ammunition,arms) 临时存放处

4.vt.
(put down) 丢下

5.vt.
(get rid of) 倾倒

6.vt.[+computer data] 
转储

to be down in the dumps
 [inf] 神情沮丧
"no dumping"
“严禁乱倒垃圾”