DCHP-1 Online
river-boss Lumbering 
n. the logger in charge of a drive (def. 1).
See also: drive ((n.)) (def. 1)
- 1895 [He] was startled and sorry when it turned out that Dugard, the river-boss, was married.
- 1912 . . . the river "boss" and his "gang" . . . came with their cant-dogs and pike-poles and cork-shoes. . . .
- 1931 "Ah! You have run logs with them. In what capacity?" "I have been a river boss."
- 1895 [He] was startled and sorry when it turned out that Dugard, the river-boss, was married.