British vehicle registration for London NE
• machinery certificate
• Magistrates' Court
• Navigation magnetic course
• marginal cost
• (USA ) Marine Corps
• (USA ) Maritime Commission
• marriage certificate
• Master of Ceremonies
• Master of Surgery (Latin Magister Chirurgiae)
• medical certificate
• medical college
• (USA ) Medical Corps
• Astrology Medium Coeli (Latin: Midheaven)
• (USA ) Member of Congress
• Member of Council
• mess committee
• Methodist Church
• military college
• Military Cross
• Missionaries of Charity
• Astronomy molecular cloud
• Chem. molecular cluster
• international vehicle registration for Monaco
• Politics Monday Club
• Monte Carlo
• morse code
• motor contact