Truck

n.
  1. Exchange of commodities; barter.
  2. Commodities appropriate for barter, or for small trade; small commodities; esp., in the United States, garden vegetables raised for the market.
  3. The practice of paying wages in goods instead of money; -- called also truck system.
    4. Garden truck, vegetables raised for market. [Colloq.] [U. S.] --Truck farming, raising vegetables for market: market gardening. [Colloq. U. S.]