1. Any of a group of British workers who between 1811 and 1816 rioted and destroyed laborsaving textile machinery in the belief that such machinery would diminish employment.
2. One who opposes technical or technological change.

[After Ned Ludd, an English laborer who was supposed to have destroyed weaving machinery around 1779.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.