List of things that start with the letter M.
Mild mannered mice melt marshmallows in Minnesota.
Macadamias are medium sized evergreen trees native to the northern parts of Australia. Not all macadamia trees have edible seeds, only macadamia integrifolia and macadamia tetraphylla are cultivated. The others have toxic seeds. The macadamias that people eat are toxic to dogs, and can temporarily paralyze them.
A machete is a kind of large knife that is used in tropical areas to cut through jungle or to harvest sugarcane. It is also used as a tool for cutting up food, or for carving wood.
Because machetes are so common in tropical regions they are also used as a weapon.