n. a frame of light metal or wood shaped to fit the back and suspended therefrom by shoulder straps, used for packing loads.
- 1956  He rested his pack board on a windfall and took out his compass.
- 1963  The pack-board is superior to the pack-sack; it keeps the back moderately cool and on it can be lashed almost any sort of load and, what is most important, the correct balance for the load is easily attained.