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Long sideburns worn with a clean-shaven chin.
[After Lord Dundreary, , a character in the play Our American Cousin (1858) by British playwright Tom Taylor.]
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.
(Hairdressing & Grooming) an expression for long whiskers or side-burns on the side of the face when present without a beard
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014