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.
⇒ In the United States the chaldron is ordinarily 2,940 lbs, but at New York it is 2,500 lbs.
De Colange.
© Webster 1913.