a. A large aquatic rodent of the genus Castor, having thick brown fur, webbed hind feet, a broad flat tail, and sharp incisors adapted for gnawing bark, felling trees, and constructing dams and underwater lodges.
b. The fur of this rodent.
c. A top hat originally made of the underfur of this rodent.
2. A napped wool fabric, similar to felt, used for outer garments.
a. Vulgar Slang The female genitals.
b. Offensive & Vulgar Slang A woman or girl.
1. Of or relating to a beaver or beavers: beaver fur; a beaver hat.
2. Constructed by beavers: beaver dams.
intr.v.bea·vered, bea·ver·ing, bea·vers
To work diligently and energetically.
[Middle English bever, from Old English beofor; see bher-2 in Indo-European roots.]
1. A piece of armor attached to a helmet or breastplate to protect the mouth and chin.
2. The visor on a helmet.
[Middle English bavier, from Old French baviere, childs bib, beaver, from bave, saliva.]
beaver /bivr/ n.1 an animal that looks like a large rat with a long flat tail: Beavers build dams by cutting down trees with their sharp teeth.2 infrml.eager beaver: a hard worker: He is an eager beaver who does every job with enthusiasm.