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.