from The Century Dictionary and Cyclopedia- n. A machine for removing the ross or rough exterior part of bark; a bark-rossing machine. - n. A rossing attachment to a sawmill for removing the bark from the log just before it meets the saw. - n. A machine for cutting up bark preparatory to boiling or steeping, for purposes of tanning, medicine, dyeing, etc. Sorry, no etymologies found. Sorry, no example sentences found.