a railway locomotive in motion without drawing any carriages or wagons: US equivalent: wildcat
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use light engine in a sentence
A light engine slid through the station, and he caught a glimpse of young Barton in the cab.Kim | Rudyard Kipling
The light engine was to go on until it should "pick up" the delayed train between stations.The Grafters | Francis Lynde
Get the hand bilge pump going and I'll start the power pump with the electric light engine!Boy Scouts in Southern Waters | G. Harvey Ralphson
Possibly also, a Railway Manager might agree to put a specially light engine to your train.
We were all of opinion that it was impossible to make a sufficiently light engine for the purpose.The Passionate Friends | Herbert George Wells