1. (noun) an accumulation of refuse and discarded matter

• garbage heap
• junk heap
• junk pile
• refuse heap
• rubbish heap
• trash heap
• trash pile

1. (noun) an accumulation of refuse and discarded matter

• dump
• dumpsite
• garbage dump
• rubbish dump
• trash dump
• waste-yard
• wasteyard

2. (noun) pile of discarded metal

• agglomerate
• cumulation
• cumulus
• heap
• mound
• pile