What's the difference between dunnage and tunnage?
Dunnage
Definition:
(n.) 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.
Example Sentences:
(1) The 4 surfaces used for each horse were concrete, foam rubber, air dunnage bag, and a water mattress.