DCHP-1 Online
greenchain Lumbering 
n. an endless-belt system carrying cut-and-marked lumber from the sawyer to the sorters, so called because the lumber is unseasoned, or green.
- 1947 The trimmer machine . . . squares off the ends of the boards . . . before passing on to a long, slowly moving conveyor, called a greenchain.
- 1958 The few Indians employed by sawmilling enterprises on the Coast work in local plants situated on tidewater, as in North Vancouver and Port Alberni. They are concentrated in booming and, to a lesser extent, green chain and loading gangs, which are about the only jobs in sawmilling that fulfil their preferences for outdoor work. . . .
- 1947 The trimmer machine . . . squares off the ends of the boards . . . before passing on to a long, slowly moving conveyor, called a greenchain.