| moth |
A moth is an insect with four large wings. Moths look like butterflies, but they have wings with dull colors usually. Moths fly mostly at night. |
| mother1 |
A mother is a woman who is a parent of a child. A female animal who gives birth to a baby animal is also called a mother. A woman who adopts a child is also called a mother. [3 definitions] |
| mother-in-law |
the mother of a person's husband or wife. |
| motherly |
of or like a mother. |
| Mother's Day |
Mother's Day is a holiday that is celebrated in May every year. On Mother's Day, people do nice things for their mothers and often give them flowers or other presents. |
| motion |
Motion is the movement of something or the way something moves. When something is still, there is no motion. [3 definitions] |
| motion picture |
"Motion picture" is another word for "movie" or "film." It is an older word, but it is still used sometimes. |
| motivation |
When you have motivation, you have a feeling inside you that makes you want to do something. Sometimes motivation comes from thinking about the fun of doing something. Sometimes motivation comes from thinking about how someone might like you or praise you if you do something. Sometimes it comes from the thought of making money or getting some prize or award. Motivation can come from many different things. |
| motive |
an idea, need, desire, or impulse that causes a person to act in a particular way or do a particular thing; reason. |
| motor |
A motor is a machine that causes something to move or have the power to work. Cars, electric fans, and washing machines are some things that have motors. [3 definitions] |
| motorboat |
a boat that works by means of a motor. |
| motorcycle |
A motorcycle is something that people ride on. It has two wheels like a bicycle, but it is heavy and has a powerful engine that makes it go. A motorcycle can travel very fast. |
| motor scooter |
A motor scooter is a light vehicle with two wheels that uses power from a motor. It has a seat over the motor for the driver. People can ride a scooter on city streets or on highways. |
| motorway |
a British word for a major public road on which one can drive at high speeds. "Motorway" often has the same meaning as "highway" or "expressway." |
| motto |
A motto is a short phrase that is used as an expression or reminder of what you believe in, especially what you believe is the way you should act or live your life. |
| moulding |
a spelling of "molding" used in Canada and Britain. See "molding" for more information. |
| mound |
A mound is a pile of something that looks like a small hill. [2 definitions] |
| mount1 |
When you mount something, like a ladder or hill, you climb up it. [3 definitions] |
| mount2 |
A mount is a mountain or high hill. "Mount" is often used in the names of mountains. |
| mountain |
A mountain is a very high piece of land. A mountain goes up much higher than a hill, and it is hard for most people to climb. Low mountains are often covered with forest. Higher mountains are all rock at the top. Sometimes a mountain is so high that it always has snow on the top. [2 definitions] |
| mountaineer |
a person who climbs mountains for sport. [2 definitions] |