. (Mach.) (a) A locomotive driving wheel which acts by friction adhesion to a smooth track. (b) A smooth-rimmed friction wheel for giving motion to an endless link belt or the like. [ Webster 1913 Suppl. ]
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
. (Mach.) (a) A locomotive driving wheel which acts by friction adhesion to a smooth track. (b) A smooth-rimmed friction wheel for giving motion to an endless link belt or the like. [ Webster 1913 Suppl. ]