Dak (?), n. [Hind. ak.]
Post; mail; also, the mail or postal arrangements; -- spelt also dawk, and dauk.
Dak boat, a mail boat. Percy Smith. -- Dak bungalow, a traveler's rest-house at the and of a dak stage. -- To travel by dak, to travel by relays of palanquines or other carriage, as fast as the post along a road.
© Webster 1913.