What is Appellate Jurisdiction?

Legal Definition
Appellate jurisdiction is the power of a higher court to review decisions and change outcomes of decisions of lower courts. Most appellate jurisdiction is legislatively created, and may consist of appeals by leave of the appellate court or by right. Depending on the type of case and the decision below, appellate review primarily consists of: an entirely new hearing (a non trial de novo); a hearing where the appellate court gives deference to factual findings of the lower court; or review of particular legal rulings made by the lower court (an appeal on the record).
-- Wikipedia
Legal Definition
The power of a court to hear appeals from lower courts. This includes the power to reverse or modify the the lower court's decision. In the federal system, the circuit courts have appellate jurisdiction over the cases of the district courts, and the supreme court has appellate jurisdiction over the decisions of the circuit courts.
Legal Definition
The jurisdiction which a superior court has to bear appeals of causes which have been tried in inferior courts. It differs from original jurisdiction, which is the power to entertain suits instituted in the first in stance. Vide Jurisdiction; Original jurisdiction.
-- Bouviers Law Dictionary
Legal Definition
The power and authority to take cognizance of a cause and proceed to its determination, not in its initial stages, but only after it has been finally decided by an inferior court, i. e., the power of review and determination on appeal, writ of error, certiorari, or other similar process.
-- Black's Law Dictionary
Legal Definition
Jurisdiction on appeal; jurisdiction to revise or correct the proceedings in a cause already instituted and acted upon by an inferior court, or by a tribunal having the attributes of a court. Auditor of State v. Railroad Co.., 6 Kan. 505, 7 Am. Rep. 575; State v. Anthony, 65 Mo. App. 548; State v. Baker, 19 Fla. 19; Ex parte Bollman, 4 Crunch, 101, 2 I. Ed. 554
-- Black's Law Dictionary
Legal Definition
Jurisdiction to hear and determine an appeal from a lower court. See 65 Mo. App. 543.
-- Ballentine's Law Dictionary