- a system of weights used in many English-speaking countries. It is based on the pound, which contains 16 ounces or 7000 grains. 100 pounds (US) or 112 pounds (Brit) is equal to 1 hundredweight and 20 hundredweights equals 1 ton
WordReference Random House Learner's Dictionary of American English © 2015
- Weights and Measuresthe system of weights, based on the pound of 16 ounces, used in Great Britain and the U.S.:The ton of 2,000 pounds is an avoirdupois measurement.[used after a measurement]16 ounces avoirdupois.Abbr.:av.;
- Weights and MeasuresSee avoirdupois weight.
- Informal Terms[Informal.]bodily weight:He carries around a lot of excess avoirdupois.
- Latin pēnsum)
- Latin dē) + pois (earlier peis
- Latin habēre to have) + de (
- Old French, equivalent. to avoir (earlier aveir
- Middle English avoir de pois literally, property of weight 1250–1300