Word Study
avoirdupois
CIDE DICTIONARY
avoirdupois, n. & a. [OE. aver de peis, goods of weight, where peis is fr. OF. peis weight, F. poids, L. pensum. See Aver, n. , and Poise, n. ].
- Goods sold by weight. [1913 Webster]
- Avoirdupois weight. [1913 Webster]
- Weight; heaviness; as, a woman of much avoirdupois. [1913 Webster]" The standard Avoirdupois pound of the United States is equivalent to the weight of 27.7015 cubic inches of distilled water at 62
Troy weight.) Formerly, a hundred weight was reckoned at 112 pounds, the ton being 2,240 pounds (sometimes called a long ton). " [1913 Webster]
OXFORD DICTIONARY
avoirdupois, n. (in full avoirdupois weight) a system of weights based on a pound of 16 ounces or 7,000 grains.
Etymology
ME f. OF aveir de peis goods of weight f. aveir f. L habere have + peis (see POISE(1))
THESAURUS
avoirdupois
beef, beefiness, deadweight, fatness, gravity, gross weight, heaviness, heft, heftiness, liveweight, neat weight, net, net weight, overbalance, overweight, ponderability, ponderosity, ponderousness, poundage, tonnage, underweight, weight, weightinessFor further exploring for "avoirdupois" in Webster Dictionary Online