Definitions
1.nounA piece of broken glass or pottery, especially one found in an archaeological dig.
2.noun(by extension) A piece of material, especially rock and similar materials, reminding of a broken piece of glass or pottery.
3.nounA tough scale, sheath, or shell; especially an elytron of a beetle.
4.nounAn instance of an MMORPG that is one of several independent and structurally identical virtual worlds, none of which has so many players as to exhaust a system's resources.
5.nounA component of a sharded distributed database.
6.noun(singular or plural) A piece of crystal methamphetamine.