Appellate jurisdiction means a court has jurisdiction to hear an appeal from the trial court.

appealed to a higher court.

Appellate courts are created to review decisions of lower courts. They promote efficiency at the federal judicial level by serving as an in between step between district courts and the Supreme Court.

Having appellate jurisdiction means that the Supreme Court hears cases that have been in trial before. A majority of cases that the Supreme Court hear are either controversial, or some kind of trial error took place in a prior court.

An appellate court reverses the decision