Definition of coal factor in US English:

coal factor

noun

historical
  • An agent between parties in the trade of coal; specifically (in London) an officially recognized agent who buys coal from owners or shippers and sells it on to wholesalers or retailers.

Origin

Early 18th century; earliest use found in The London Gazette. From coal + factor.

Pronunciation

coal factor

/ˈkəʊl ˌfaktə/