'Dispatch box' definitions:

Definition of 'dispatch box'

noun

Case consisting of an oblong container (usually having a lock) for carrying dispatches or other valuables [syn: dispatch case, dispatch box]

From: GCIDE

Dispatch \Dis*patch"\, n. [Cf. OF. despeche, F. d['e]p[^e]che. See Dispatch, v. t.] [Written also despatch.]
1. The act of sending a message or messenger in haste or on important business. [1913 Webster]
2. Any sending away; dismissal; riddance. [1913 Webster]
To the utter dispatch of all their most beloved comforts. --Milton. [1913 Webster]
3. The finishing up of a business; speedy performance, as of business; prompt execution; diligence; haste. [1913 Webster]
Serious business, craving quick dispatch. --Shak. [1913 Webster]
To carry his scythe . . . with a sufficient dispatch through a sufficient space. --Paley. [1913 Webster]
4. A message dispatched or sent with speed; especially, an important official letter sent from one public officer to another; -- often used in the plural; as, a messenger has arrived with dispatches for the American minister; naval or military dispatches. [1913 Webster]
5. A message transmitted by telegraph. [Modern] [1913 Webster]
Dispatch boat, a swift vessel for conveying dispatches; an advice boat.
Dispatch box, a box for carrying dispatches; a box for papers and other conveniences when traveling.
Syn: Haste; hurry; promptness; celerity; speed. See Haste. [1913 Webster]