Dictionary.com
Thesaurus.com

light engine

British  

noun

  1. US equivalent: wildcat.  a railway locomotive in motion without drawing any carriages or wagons

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Yes that’s expensive, but this is Leica Leica partnered with Hisense for the triple RGB laser light engine, which is something of a trend as the originator of the laser TV.

From The Verge

AWOL’s Hisense relationship is evident with the Tri-Chroma triple-laser light engine it uses.

From The Verge

“A CRT is a light engine more than anything,” Sadler said, explaining how the CRTs and flat panels are vastly different.

From Washington Post

Gooee’s LED light “engine” not only manages energy usage and lowers maintenance costs, but it also incorporates motion detectors and CO2 sensors.

From Forbes

They had a light engine out on the tank track and were filling her with water.

From Project Gutenberg