Truckman \Truck"man\, n.; pl. {Truckmen}.
1. [From {Truck} barter.] One who does business in the way of
barter or exchange.
[1913 Webster]
2. [From {Truck} a carriage.] One who drives a truck, or
whose business is the conveyance of goods on trucks.
[1913 Webster] Truculence