Ex·press, n.
 1. A clear image or representation; an expression; a plain declaration. [Obs.]
    The only remanent express of Christ's sacrifice on earth.   --Jer. Taylor.
 2. A messenger sent on a special errand; a courier; hence, a regular and fast conveyance; commonly, a company or system for the prompt and safe transportation of merchandise or parcels.
 3. An express office.
    She charged him . . . to ask at the express if anything came up from town.   --E. E. Hale.
 4. That which is sent by an express messenger or message. [Obs.]
 Express office, an office where packages for an express are received or delivered.
 Express train, a railway train (such as a subway train) that does not stop at certain stations, but only at stations designated express stops.