The Collaborative International Dictionary of English v.0.48:

Whiskey \Whis"key\, Whisky \Whis"ky\, n.; pl. Whiskeysor
   Whiskies. [See Whisk, v. t. & n.]
   A light carriage built for rapid motion; -- called also
   tim-whiskey.
   [1913 Webster] Whiskey Ring