1. (n.) An amphibious rodent, of the genus Castor.

2. (n.) The fur of the beaver.

3. (n.) A hat, formerly made of the fur of the beaver, but now usually of silk.

4. (n.) Beaver cloth, a heavy felted woolen cloth, used chiefly for making overcoats.

5. (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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