Definition of commission house in English:

commission house

noun

North American
  • 1A business selling goods for others in return for a commission (now rare).

  • 2Stock Market a brokerage firm that only buys and sells futures contracts and securities for customers in return for a fee or commission, and does not trade on its own account.

Origin

Early 18th century; earliest use found in Charles Davenant (1656–1714), government official and political economist.