| ornament |
An ornament is something you put on something else to make it prettier to look at. |
| ostrich |
An ostrich is a large, powerful bird that can run very fast but cannot fly. It has two toes on each foot and no feathers on its long legs and neck. Wild ostriches are found in Africa, but they live on farms in other parts of the world too. |
| other |
If your mom wants you to wear certain clothes, but you want to wear other clothes, it means that you want to wear different ones. [4 definitions] |
| otter |
An otter is a mammal with thick brown fur, a long body, flat tail, and short legs. Otters live mostly in water, and they eat fish, frogs, and other water animals. Different kinds of otters are found in most parts of the world. |
| ouch |
Ouch is a word that sometimes comes out of our mouths when we suddenly feel some pain. If a bee stings you, you might say OUCH!! |
| ought |
If you think that rich people ought to help poor people, it means that you think that helping poor people is the right thing for rich people to do. [2 definitions] |
| ounce1 |
An ounce is a certain amount of weight. When something weighs one ounce, it is not heavy at all. A letter from your mailbox usually weighs one ounce or less. Sixteen ounces equals one pound. A short way of writing ounce or ounces is oz. [2 definitions] |
| our |
When you say "our house," you mean the house that belongs to you and your family. If you and your sister shared a room, you would call it "our room." |
| ours |
If you say "this table is ours," you mean this table is the one that belongs to you and other people. |
| out |
If you go out, you go away from the inside of something or from something that is around you. [8 definitions] |
| outdoor |
When you go to an outdoor pool, it means that you go to a pool that is outside. It is not inside any building. An outdoor market is a place where people sell things outside, in a street or other open place. |
| outer space |
Outer space is all the space that is beyond our planet Earth. The sun, moon, stars, and planets are all in outer space. Things in outer space are very far away, so people often use a telescope to look at things like stars and other planets. |
| outgrow |
When you outgrow something, you grow too big or old for it. |
| outlet |
An outlet is something that lets you use electricity in a room or other place. It is usually built into a wall. Electricity will flow from an outlet to your television when the television is connected to the outlet by a cord with a plug. |
| outside |
Your skin forms the outside of your body. A shell forms the outside of an egg. When you look at your house from the street, you are looking at the outside of your house. [3 definitions] |
| oval |
An oval is the shape of an egg, or something that has that shape. [2 definitions] |
| oven |
An oven is something that you cook food in. An oven is like a large metal box that has a door. It can get very hot inside. |
| over |
When something is over another thing, it means that it is above or higher than that thing. [11 definitions] |
| owe |
When you owe someone a dollar, it means that they gave you a dollar sometime before now and you still have to pay them back. |
| owl |
An owl is a bird that hunts for food at night. Owls have large eyes, strong legs, and sharp claws. |
| own |
When you have something that is your own, it means that it belongs to you alone. [2 definitions] |