Pronunciation: (rô'sur, ros'ur), [key]
1. a logger who peels the bark from, and often smooths one side of, a log so that it may be dragged easily.
2. any of various machines or devices for removing bark from logs and pulpwood.
3. an attachment on a circular saw for removing ross or bark ahead of the blade.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.