boneyard

noun

Etymology: From bone + yard.

1. A graveyard.
2. In the game of dominoes, the pile of upside-down pieces that have yet to be used.
3. A dumpsite for obsolete or unusable aircraft etc; a junkyard.

   “B-52s in a boneyard”

   “a 440 V-8 from the boneyard”

4. An area scraped down to the mineral soil, so that smouldering material can be placed there without starting another fire.