The Collaborative International Dictionary of English v.0.48:

Jarvey \Jar"vey\, Jarvy \Jar"vy\, n.
   1. The driver of a hackney coach. [Slang, Eng.] --Carlyle.
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   2. A hackney coach. [Slang, Eng.]
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            The litter at the bottom of the jarvy. --T. Hook.
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