tailwheel (?te?l?wi?l) n (Aeronautics) a wheel fitted to the rear of a vehicle, esp the landing wheel under the tail of an aircraftCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014