Dictionary definition · Beaver
noun
- a native or resident of Oregon
- the soft brown fur of the beaver
- a full beard
- a man's hat with a tall crown; usually covered with silk or with beaver fur
- a movable piece of armor on a medieval helmet used to protect the lower face
- a hat made with the fur of a beaver (or similar material)
- large semiaquatic rodent with webbed hind feet and a broad flat tail; construct complex dams and underwater lodges
verb
- work hard on something
Source: Open English WordNet (CC BY 4.0).