Other forms: junkyards
A junkyard is a place where garbage is kept, especially scrap metal, until it's sold. Most of the trash in a junkyard can be reused or recycled.
Piles of rusted metal and smashed bodies of old cars are common sights at a junkyard. The word clearly comes from the junk, or trash, that's stored there — and although it is undeniably junky, it's also got some value to companies that recycle metal. Junkyards are also called "wrecking yards" or "scrapyards." A "junkyard dog" is a guard dog that keeps watch overnight in case thieves try to steal valuable metal.