- An amphibious rodent, of the genus Castor. - The fur of the beaver. - A hat, formerly made of the fur of the beaver, but now
usually of silk. - Beaver cloth, a heavy felted woolen cloth, used chiefly for
making overcoats. - 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.