1. a heap or stack of things placed one on top of another
2. a large amount or quantity of something
Usage: informal
3. a long heavy post driven into the ground to support a structure
Usage: construction

1. to place things one on top of another in a heap
2. to accumulate or gather in large quantities

Examples

• She sorted the books into neat piles on the table.
• There was a pile of dirty laundry in the corner.
• I have piles of homework to finish tonight.
• The workers drove steel piles deep into the riverbed.
• This carpet has a thick, luxurious pile.
• Please pile the dishes in the sink.
• Snow began to pile up against the door.
• Bills were piling on his desk all week.