"beaver" in the noun sense
1. beaver, beaver fur
the soft brown fur of the beaver
2. Oregonian, Beaver
a native or resident of Oregon
3. beaver
a full beard
4. dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beaver
a man's hat with a tall crown usually covered with silk or with beaver fur
5. beaver
a movable piece of armor on a medieval helmet used to protect the lower face
6. beaver, castor
a hat made with the fur of a beaver (or similar material)
7. beaver
large semiaquatic rodent with webbed hind feet and a broad flat tail construct complex dams and underwater lodges
"beaver" in the verb sense
1. beaver, beaver away
work hard on something
Source: WordNet® (An amazing lexical database of English)
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