1) Legal procedure 2) Type of Court 
n. the court which holds the original trial, as distinguished from a court of appeals.
A trial court is a court in which trials take place. Such courts, known also as courts of first instance, are said to have original jurisdiction. == In the United States == A trial court of general jurisdiction is authorized to hear any type of civil or criminal case that is not committed exclusively to another court. In the United States, the Uni...
Court that holds the original trial as different from the court of appeals.
The trial court is the court in which a lawsuit is filed, and where all litigation up to and including the trial is held.
The court that has original jurisdiction and holds the original trial where all the evidence is first received and considered. Compare: appellate court
[n] - the first court before which the facts of a case are decided
noun the first court before which the facts of a case are decided