1. 
   three-wheel
   [adj] - of or relating to vehicles having three wheels
   Found op http://www.webdictionary.co.uk/definition.php?query=three-wheel
   
   
2. 
   three-wheel
   three-wheeled adjective of or relating to vehicles having three wheels; `a three-wheel bike`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=three-wheel
   
   

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