DCHP-1 Online
buck beaver 
1 a male beaver (def. 1).
See also: beaver (def. 1)
- 1931 The mother . . . lives in a separate lodge built and tended by the male or buck beaver.
2 See quote.
- 1913 Beaver, a man engaged on road-making near the lumber camps. Buck beaver, the foreman on such work.
- 1931 The mother . . . lives in a separate lodge built and tended by the male or buck beaver.