DCHP-1 Online
master lumberer Maritimes, Obs. 
an owner or manager of a company engaged in lumbering (def. 2).
See also: lumbering (def. 2) lumberman (def. 1a)
- 1832 [They are] hired by a master lumberer, who pays them wages and finds them in provisions. . . .
- 1849 After saluting the master lumberer, who was superintending his sturdy people at work among the logs, rafting them, with their piked poles, or gaffs, and handspikes, I asked him what quantity of timber . . . had gone down this spring. . . .
- 1832 [They are] hired by a master lumberer, who pays them wages and finds them in provisions. . . .