Meaning of dustheap

dust•heap

Pronunciation: (dust'hēp"), [key]
— n.
  1. a heap or pile of rubbish, refuse, or the like.
  2. oblivion; obscurity; disregard; disuse: He was consigned to the dustheap after many years of public service.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.