graveyard

Short definition from Wiktionary

Noun

1. 1
   A tract of land in which the dead are buried.
2. 2
   A final storage place for collections of things that are no longer useful or useable: The discard pile, in some trading card games.
3. 3
   A final storage place for collections of things that are no longer useful or useable: A team where players are sent when they are not useful, or a team where players become useless if sent there.
4. 4
   A period very early in the morning in which there is very little activity.
5. 5
   Synonym of suicide (“beverage combining all available flavors at a soda fountain”).