beaver

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