linear motor
n (Automotive Engineering) a form of electric motor in which the stator and the rotor are linear and parallel. It can be used to drive a train, one part of the motor being in the locomotive, the other in the track
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014