Definition from Wiktionary, the free dictionary
charrus (plural charruses)
- A weight by which lead and some other metals were formerly sold in England, probably containing 2100 pounds.
- 1866: Another element of weight is the charrus, carecta, or plaustrata of lead. This quantity contained thrity fontinelli, fotmael, pedes, or pigs. Each pes contained five petrae of fourteen pounds each, and therefore the pes was 70 avoirdupois pounds and the charrus 2100 lbs. — James Edwin Thorold Rogers, A History of Agriculture and Prices in England, Volume 1, p. 168.