Chal"dron (?), n. [OF. chaldron, F. chaudron kettle. The same word as caldron.] An English
dry measure, being, at London, 36 bushels heaped up, or its equivalent weight, and more than
twice as much at Newcastle. Now used exlusively for coal and coke.&hand; In the United States
the chaldron is ordinarily 2,940 lbs, but at New York it is 2,500 lbs. De Colange.