night·rid·er
(nīt′rī′dər)n.
One of a secret band of mounted, usually masked white men who engaged in nocturnal terrorism for revenge or intimidation in the southern United States especially during Reconstruction.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
nightrider
(ˈnaɪtˌraɪdə)n
(Historical Terms) a member of a band of mounted and usually masked White people in the southern US who carried out acts of revenge and intimidation at night after the Civil War
ˈnightˌriding n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
night•rid•er
(ˈnaɪtˌraɪ dər)n.
one of a band of mounted men who commit acts of violence and intimidation at night, esp. a member of such a band in the southern U.S. during Reconstruction.
[1875–80]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
nightrider - member of a secret mounted band in United States South after the American Civil War; committed acts of intimidation and revenge