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