noun
1. : a locomotive driving wheel that acts by frictional adhesion to a smooth track
2. : a smooth-rimmed friction wheel for giving motion (as to an endless link belt)
noun
1. : a locomotive driving wheel that acts by frictional adhesion to a smooth track
2. : a smooth-rimmed friction wheel for giving motion (as to an endless link belt)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012