- pl. beavers or beaver any of a family (Castoridae) of large rodents with soft, brown fur, chisel-like teeth, webbed hind feet, and a flat, broad tail: they often gnaw trees down and build canals and dams to form in which they build dry, dome-shaped, island lodges having underwater entrances
- its fur
- a man's high silk hat, originally made of this fur
- a heavy cloth of felted wool, used for overcoats, etc.
- ☆ Slang the female genitals: often considered vulgar
ME bever < OE beofor: for IE base see bear
☆ Slang designating or of a film, photograph, etc. in which the female genitals are exposed: often considered vulgar
☆ to work hard, constantly, conscientiously, etc.: usually with away