DCHP-1 Online
beaver dam 
a dam built by beavers to maintain a constant water level above their lodge.
See also: dam ((1))
- 1754 (1907) The Beaver Dams bear people [because frozen], which favors in killing the Beaver.
- 1880 . . . much of the country is at present covered by swamps and beaver-dams.
- 1964 [Motor toboggans] will climb over logs, cross beaver dams . . . climb or descend steep hills with amazing ease.
- 1754 (1907) The Beaver Dams bear people [because frozen], which favors in killing the Beaver.