mistrial. 1. A trial that the judge brings to an end, without a determination on the merits, because of a procedural error or serious misconduct occurring during the proceedings. [Cases: Criminal Law 867; Federal Civil Procedure 1951; Trial 18. C.J.S. Criminal Law §§ 1388–1390; Trial§§ 91–92.] 2. A trial that ends inconclusively because the jury cannot agree on a verdict. — Also termed abortive trial. [Cases: Criminal Law 867. C.J.S. Criminal Law §§ 1388–1390.]

[Blacks Law 8th]