Source : Webster's Revised Unabridged Dictionary (1913)

Express \Ex*press"\, n. [Cf. F. expr[`e]s a messenger.]
   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; also, a railway train for transporting passengers
      or goods with speed and punctuality.

   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.] --Eikon Basilike.

   {Express office}, an office where packages for an express are
      received or delivered.