ouster

Concise Oxford English Dictionary © 2008 Oxford University Press:
ouster/ˈaʊstə(r)/

▶noun

• 1 Law ejection from a property, especially wrongful ejection; deprivation of an inheritance.

  ■ removal from the jurisdiction of the courts.

  ■ a clause that is or is claimed to be outside the jurisdiction of the courts.

• 2 N. Amer. dismissal from a position.