graveyard

noun6

1. •
   A tract of land in which the dead are buried.
2. •
   [before a noun] A period very early in the morning in which there is very little activity.
3. •
   (figurative) A final storage place for collections of things that are no longer useful or useable.
4. •
   (figurative) The discard pile, in some trading card games.

   • Certain cards place other cards here because such cards might have abilities deemed too strong if they sent them to the graveyard instead. — 2006
5. •
   (figurative) A team where players are sent when they are not useful, or a team where players become useless if sent there.
6. •
   (US, slang) Synonym of suicide (“beverage combining all available flavors at a soda fountain”).