piles in WordNet English dictionary

1. a large number or amount
   "made lots of new friends"; "she amassed stacks of newspapers"
   tons  dozens  heaps  lots  piles  scores  stacks  loads  rafts  slews  wads  oodles  gobs  scads  lashings 
   
2. pain caused by venous swelling at or inside the anal sphincter
   hemorrhoid  haemorrhoid  piles