SG Heritage Dictionary

Dunnage [Noun] Webster's Dictionary 1828

Faggots, boughs or loose wood laid on the bottom of a ship to raise heavy goods above the bottom.

Dunnage [Noun] Webster's Dictionary 1913

Fagots, boughs, or loose materials of any kind, laid on the bottom of the hold for the cargo to rest upon to prevent injury by water, or stowed among casks and other cargo to prevent their motion.