Letter M
Machine
Magnet
Mallard
Man Upstairs
Mark
Marker
Marker Card
Marker Down
Mark Off
Martingale
Mason
Maximum
Mechanic
Mechanical Games
Memphis Dominoes
Mexican Standoff
Michigan Bankroll
Mini-Baccarat
Minimum
Missout
Mixed Stack
Money Line
Money Wheel
Monitor
Monkey
Morning Line
Mouthpiece
Move
Muck
Mucker
Mug Punter
Multiple Action Blackjack