a number of things lying one on another; a large amount (of money)
heap, collection
Cases of word usage
1) a large pile of wood used for burning a corpse (pyre)
2) pile of hay, straw, corn etc (in a field) (rick)
3) a pile of (hay, straw etc) for storage in the open; a pile or heap (of books, papers, wood etc); a large amount; a part of the memory where information is stored for a short time (and where only the last item can be looked at) (stack)
4) (to cause a person, thing, pile etc) to be unsteady and fall (over) (topple)