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A jeweled necklace, collar, or headband.
[From Old French carcan, collar, perhaps from Medieval Latin carcannum, perhaps of Germanic origin.]
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.
(Jewellery) archaic a jewelled collar or necklace
[C16: from French carcan, of Germanic origin; compare Old Norse kverkband chin strap]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
car•ca•net(ˈkɑr kəˌnɛt, -nɪt)
a woman's ornamental, usu. jeweled headband or necklace.
[1520–30; Middle French carcan choker]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.