beaver

an animal with smooth fur, sharp teeth, and a large, flat tail. Beavers build dams (= walls of sticks and earth) across rivers.

a person who works very hard:

Examples:

a woman's sexual organs

in the UK, Canada, and some other countries, an organization for children aged about 6 to 8 that encourages them to take part in different activities, especially outside, and to learn skills. It is part of an international organization called the Scouts:

Examples:

a child who is a member of the Beavers organization:

Examples:

a small mammal that lives in water esp. in rivers and lakes, and has smooth fur, sharp teeth, and a wide, flat tail