| Main Flight: | In an elimination tournament, the group in which players start and compete in until they lose |
| Major Split: | Moving one of your two stones from the opponents one-point to his four- or five-point |
| Make a Point: | To place two stones together on one point so they form a block or an anchor. Man Stone, piece, checker |
| Mandatory Double: | A game in match play where the doubling cube has reached a high-enough level that it represents sufficient points for the leader to win the match. The trailer has nothing to lose by doubling at this point |
| Mandatory Take: | In post-Crawford game play, if the leader is offered a double when the trailing player has an odd number of points to go, the leader should almost always accept the double |
| Market: | An opportunity to offer a double which will probably be accepted by the opponent |
| Market Gainer: | A sequence of two dice casts in which a game changes from a position in which your opponent would refuse a double to a position in which he would accept a double |
| Market Loser: | A sequence of two dice casts in which a game changes from a position in which your opponent would accept a double to a position in which he would refuse a double |
| Match: | A series of games between two players which ends when one player acquires a predetermined number of points |
| Material: | Builders |
| Mid-Point: | Your twelve-point , where you have five stones at the beginning of the game |
| Middle Game: | The main body of the game, which begins after each player has settled on their his initial game plan |
| Minor Split: | Moving one of your two stones from the opponents one-point to the opponents two-point or three-point |
| Mobility: | The degree to which a position allows dice rolls to be played freely while maintaining the positions key features |
| Monte Carlo: | Location of the annual World Championship of backgammon |
| Move: | The moving of a stone the number of points showing on one of the rolled dice |
| Move Around the Corner: | a move from the opponents outer board to the players outer board |
| Move Down: | Move around the corner |
| Move In: | - a move from the bar to the opponents home board or a move from your outer board to your home board |
| Move Off: | Bear off |
| Move Out: | a move from the opponents home board to the opponents outer board |
| Move Up: | a move forward within the opponents home board |
| Mutual Holding Game: | A game in which both players hold advanced anchors on the opponents side of the board in an attempt to hinder the opponent as he tries to bring his stones home |