Alternative form of slave trader

The commercial activity of a tramp steamer

One of the outside horses, in a team of three or more horses that are harnessed side-by-side, drawing a load or vehicle.

A trail that is conspicuous and therefore easy to follow. / (figuratively, approbative) A beaten track; a well-trodden path.

plural of semi-trailer truck

A tractor-trailer or big rig, consisting of a semi-trailer and a semitruck pulling it.

(historical) The trade of selling women into prostitution.

plural of tracing paper

(transitive) To increase or to succeed at a rate lower than (something else). / (transitive) To follow (someone) slowly, usually surreptitiously.

(rail transport) a train run for the purpose of maintenance and repair of railway track.