beaver

from The Century Dictionary.

• noun In medieval armor, originally a protection for the lower part of the face and cheeks, fixed securely to the armor of the neck and breast, and sufficiently large to allow the head to turn behind it.
• See bever.
• noun A rodent quadruped, about two feet in length, of the family Castoridæ and genus Castor, C. fiber, at one time common in the northern regions of both hemispheres, now found in considerable numbers only in North America, but occurring solitary in central Europe and Asia.
• noun The fur of the beaver.
• noun A hat made of beaver fur.
• noun Hence— A hat of the shape of a beaver hat, but made of silk or other material, in imitation of the fur. The modern stiff silk hat was commonly called a beaver until recently.
• noun A glove made of beaver's fur.
• noun A thick and warm cloth used for garments by both sexes. The thickest quality is used for overcoats.
• Made of beaver or of the fur of the beaver: as, a beaver hat; beaver gloves.

from the GNU version of the Collaborative International Dictionary of English.

• noun 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.
• noun (Zoöl.) An amphibious rodent, of the genus Castor.
• noun The fur of the beaver.
• noun A hat, formerly made of the fur of the beaver, but now usually of silk.
• noun Beaver cloth, a heavy felted woolen cloth, used chiefly for making overcoats.
• noun A man's beard.
• noun vulgar slang The hair on a woman's pubic area; -- vulgar.
• noun vulgar slang A woman; -- vulgar and offensive.
• noun informal A person who works enthusiastically and diligently; -- used especially in the phrase eager beaver.
• noun (Zoöl.) an aquatic ratlike quadruped of Tasmania (Hydromys chrysogaster).
• noun the furry skin of the beaver.
• noun See under 1st Bank.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An aquatic rodent of the genus Castor, having a wide, flat tail and webbed feet.
• noun A hat, of various shape, made from a felted beaver fur, fashionable in Europe between 1550 and 1850
• noun vulgar, slang The pubic hair and/or vulva of a woman.
• noun now historical The lower face-guard of a helmet.
• noun Alternative form of bever.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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