Read the dictionary definition of beaver. All definitions for this word.
1. large semiaquatic rodent with webbed hind feet and a broad flat tail; construct complex dams and underwater lodges
2. a hat made with the fur of a beaver (or similar material)
3. a movable piece of armor on a medieval helmet used to protect the lower face
4. a man's hat with a tall crown; usually covered with silk or with beaver fur
5. a full beard
6. a native or resident of Oregon
7. the soft brown fur of the beaver
8. work hard on something