bea·ver /ˈbivɚ/
 海狸,水獺;勤奮工作的人


 Bea·ver n.
 1. Zool. An amphibious rodent, of the genus Castor.
 Note: ☞ It has palmated hind feet, and a broad, flat tail. It is remarkable for its ingenuity in constructing its lodges or “houses,” and dams across streams.  It is valued for its fur, and for the material called castor, obtained from two small bags in the groin of the animal.  The European species is Castor fiber, and the American is generally considered a variety of this, although sometimes called Castor Canadensis.
 2. The fur of the beaver.
 3. A hat, formerly made of the fur of the beaver, but now usually of silk.
    A brown beaver slouched over his eyes.   --Prescott.
 4. Beaver cloth, a heavy felted woolen cloth, used chiefly for making overcoats.
 Beaver rat Zool., an aquatic ratlike quadruped of Tasmania (Hydromys chrysogaster).
 Beaver skin, the furry skin of the beaver.
 Bank beaver. See under 1st Bank.


 Bea·ver, n.  That piece of armor which protected the lower part of the face, whether forming a part of the helmet or fixed to the breastplate. It was so constructed (with joints or otherwise) that the wearer could raise or lower it to eat and drink.

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 beaver
      n 1: the soft brown fur of the beaver
      2: a full beard
      3: a man's hat with a tall crown; usually covered with beaver
         or silk [syn: dress hat, high hat, opera hat, {silk
         hat, stovepipe, top hat, topper]
      4: a movable piece of armor on a medieval helmet used to
         protect the lower face
      5: a hat made of beaver fur or similar material [syn: castor]
      6: large semiaquatic rodent with webbed hind feet and a broad
         flat tail; construct complex dams and underwater lodges
      v : work hard on something [syn: beaver away]