[1] : The Collaborative International Dictionary of English v.0.48

dak \dak\ daddk or daumk, n. hind. dsdot=ak.
   post; mail; also, the mail or postal arrangements; -- spelt
   also dawk, and dauk. india
   1913 webster

   dak boat, a mail boat. --percy smith.

   dak bungalow, a traveler's rest-house at the end of a dak
      stage.

   to travel by dak, to travel by relays of palanquins or
      other carriage, as fast as the post along a road.
see also:
dawk dauk dak boat dak bungalow to travel by dak 

Dak >> D Words
Dak, definition of term: Dak
dak_pag1.html

Bungalow >> B Words
Bungalow, definition of term: Bungalow
bungalow_pag1.html