The carrying on of trade.

(transitive) To malign a person or entity by making malicious and false or defamatory statements. / (archaic, transitive) To pass on (to one's children, future generations etc.); to transmit.

The aftermath of a train crash. / (figuratively) A disaster, especially one which is large in scale and readily seen by public observers.

To ruin utterly and catastrophically, to cause to end in disaster.

(rail transport) A train used by the postal service to transport mail, and in some cases, to sort mail en route.

(business, law) A successful brand name or trademark that has come to refer to the generic class of objects rather than the specific brand type.

A county without direct administrative functions. e.g. Yorkshire, Perthshire, Dublin or Suffolk County, Massachusetts.

Technologies that monitor and manage traffic flow to improve transportation efficiency.

(anatomy) The gastrointestinal tract.

(figuratively) To leave or depart.