supreme court

Short definition from Wiktionary

Noun

1. 1
   A court of law which represents the highest legal authority within a jurisdiction.
2. 2
   A superior court; a court of general competence which typically has unlimited jurisdiction with regard to civil and criminal legal cases.
3. 3
   In certain provinces, a superior court of original jurisdiction, which however is inferior to the province's court of appeals.

Proper noun

1. 1
   The highest court in a legal jurisdiction.
2. 2
   The highest court in a legal jurisdiction: The Supreme Court of Canada.
3. 3
   The highest court in a legal jurisdiction: The highest Federal court of the United States, ("the Supreme Court").
4. 4
   The highest court in a legal jurisdiction: The state court in many states of the United States, usually but not necessarily the highest court in that state.