beaver

noun

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

Also useful for “beaver”:Scrabble— High-value letters — see what it scores