Mistrial - An invalid trial, caused by fundamental error. When a mistrial is declared, the trial must start again from the selection of the jury.
Mitigating circumstances - Those which do not constitute a justification or excuse for an offence but which may be considered as reasons for reducing the degree of blame.
Mittimus - The name of an order in writing, issuing from a court and directing the sheriff or other officer to convey a person to a prison, asylum, or reformatory, and directing the jailer or other appropriate official to receive and safely keep the person until his or her fate shall be determined by due course of law.
Mitigation - A reduction, abatement, or diminution of a penalty or punishment imposed by law.
Moot - A moot case or a moot point is one not subject to a judicial determination because it involves an abstract question or a pretended controversy that has not yet actually arisen or has already passed. Mootness usually refers to a court's refusal to consider a case because the issue involved has been resolved prior to the court's decision, leaving nothing that would be affected by the court's decision.
Motion - An application made to a court or judge which requests a ruling or order in favour of the applicant.
Motion in Limine - A motion made by counsel requesting that information which might be prejudicial not be allowed to be heard in a case.
Murder - The unlawful killing of a human being with deliberate intent to kill: (1) murder in the first degree is characterized by premeditation; (2) murder in the second degree is characterized by a sudden and instantaneous intent to kill or to cause injury without caring whether the injury kills or not.
Mutual assent - A meeting of the minds; agreement.
Source: Jurist International.