1) Bin 1) Brand that became generic 2) Commercial garbage collector 3) Container 4) Large garbage container 5) Large trash receptacle 6) Parking lot sight 7) Spot for some diving 8) Trash receptacle 9) Where some go diving 
A dumpster is a large steel waste container for garbage or construction waste designed to be brought and taken away by a special truck or to be emptied into a garbage truck. The word is a genericized trademark of Dumpster, an American brand name for a type of mobile garbage bin. Generic usage of dumpster is also common in Australia, although Dumps...
[n] - (trademark) a container designed to receive and transport and dump waste
noun a container designed to receive and transport and dump waste
a brand of large metal bin for refuse designed to be hoisted onto a specially equipped truck for emptying or hauling away.