Definition from Wiktionary, the free dictionary
hundredweight (plural hundredweights)
- A measure of weight containing 100 pounds (45.5 kg) in the U.S. or 112 pounds (51 kg) in the United Kingdom.
- 1882: The hundredweight of 112 avoirdupois lbs. becomes general in the period before me, and is employed for the commoner kinds of materials. — James Edwin Thorold Rogers, A History of Agriculture and Prices in England, Volume 4, p. 209.