Source : Webster's Revised Unabridged Dictionary (1913)

Jarvey \Jar"vey\, Jarvy \Jar"vy\, n.
   1. The driver of a hackney coach. [Slang, Eng.] --Carlyle.

   2. A hackney coach. [Slang, Eng.]

            The litter at the bottom of the jarvy. --T. Hook.