| sea gull |
A sea gull is a kind of bird that lives on or near the sea. Its feathers are white and grey, and it has long pointed wings. |
| seahorse |
A seahorse is a small fish that looks something like a horse, and it swims with its head pointing up and its tail pointing down. Seahorses live in warm parts of the ocean. They eat small sea animals, like very tiny shrimp. |
| seal2 |
A seal is a mammal that spends most of its life in the ocean. Sometimes it comes to the shore to rest, though. Seals have flippers and also a tail similar to the tail of a fish. Seals have very round eyes, and they have whiskers around their noses. |
| sea lion |
A sea lion is a mammal that spends most of its life in the ocean. A sea lion has a smooth body and a face with round eyes and whiskers around its small nose. Sea lions look similar to another sea animal called a seal, but they are not the same animal. Sea lions have a large, strong tail and large front flippers that are bigger than the flippers that seals have. Sea lions' tails and their long flippers allow them to sit up. Humans sometimes train sea lions to do tricks. |
| sea otter |
A sea otter is a mammal with thick brown fur, a long body, a flat tail, and short legs. Sea otters live mostly in the Pacific Ocean in areas near the coast of California and Alaska. |
| search |
If you search your room for something, you look in many places in your room to find it. If the police search the town to find someone, they look all over the town to find that person. |
| seashore |
A seashore is the land that is on the edge of an ocean. It is where the land and the ocean meet. |
| season |
A season is one of the four parts of the year. The seasons are spring, summer, fall, and winter. [3 definitions] |
| seat |
A seat is a chair or other thing that you sit on. Benches and stools are also kinds of seats. |
| seat belt |
A seat belt is something you use in a car or airplane to hold you safely in your seat. A seat belt is a long strap that goes across your lap. |
| sea turtle |
A sea turtle is a large turtle that lives mostly in the sea. It has long legs that are a little wide and flat so that swimming is easy. Sea turtles are reptiles, and even though they live in the sea, they have to breathe air. |
| seaweed |
Seaweed is what we call the many kinds of plants that grow in the sea. Seaweed is often green, brown, or red. It often looks like long grass. People can eat some kinds of seaweed. |
| second1 |
When something is second, it comes after the first. |
| second2 |
A second is a very, very short amount of time. It takes about one second to touch your finger to your nose. In one minute, there are sixty seconds. [2 definitions] |
| secret |
When you have a secret place, you have a place that no one else knows about or can see. [2 definitions] |
| secretary |
A secretary is a person who works in an office. A secretary does many things in the office such as writing emails or letters, answering the telephone, organizing things for the office, and keeping important information. |
| see1 |
People use their eyes to see things. If there is light when you open your eyes, you can see what is around you. [5 definitions] |
| seed |
A seed is the small part of a plant that can grow into a new plant. Plants that grow from seeds have flowers. Sometimes, seeds fall from a plant into the ground near it, or sometimes the wind blows the seeds to some other place where they fall to the ground. When seeds are in the ground, the new plants can start to grow. Of course, people can pick seeds too and put them into the ground themselves. Some seeds are used for food by animals and people. |
| seem |
When your mom seems tired, it means that she looks or acts tired. Maybe she is sitting in a chair with her eyes closed, or maybe she doesn't want to talk or do her usual things. |
| seesaw |
A seesaw is something to play on, and you sometimes see it at a park. One person sits on one end of the seesaw and another person sits on the other. The two people have fun going up and down as the seesaw moves. A seesaw is made of a long piece of wood or other material. It is attached to something in the middle that holds it off the ground, but one end can move up when the other end moves down. |
| selfish |
When someone is selfish, they care much more about themselves than other people. |