Mail or Telephone Order Rule
Majority Definition
Malfeasance 
Malice Definition
malpractice
mandamus
mandatory injunction
Manslaughter
Manslaughter
Marital Deduction
Maritime Law
McNaghten Rule
Mechanics Lien
Mediation
Mediator
Medicaid
Medicare
Mens Rea Definition
merger Definition
mineral rights
minor Definition
Miranda Warning
misdemeanor Definition
misrepresentation
mistrial
Mitigate Definition
Model Penal Code
monopoly
month-to-month tenancy
moral rights
Mortgage Definition
motion 
multiple listing service (MLS)