A box or case in which goods, etc., are packed for transportation.(noun)
In a steam-engine, same as stuffing-box.(noun)
The Century Dictionary (Public Domain)
Use "packing-box" in a sentence
"Gabriel was standing outside the building, eating an orange from one of those packing-box stalls constructed by an innovative Mexican; a hopeful outpost beside a traffic light."
"His parents were German Jews who, when he was three years old, emigrated to New York, where the father became a packing-box manufacturer."
"Caskets had disappeared from the stock in the village stores, and, save an old packing-box, there was utter want of boards on the plantation, all having been used for various purposes since the wheel of the saw-mill had ceased its busy hum."