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A pear-shaped or oval gem that is cut in long triangular facets.
[French, perhaps alteration (influenced by brillant, brilliant) of brignolette, diminutive of brignole, dried plum, from Brignoles, a town of southeast France.]
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) a pear-shaped gem cut with long triangular facets
[C19: from French, alteration of brillolette, from brignolette little dried plum, after Brignoles, France, where these plums are produced]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
any pear-shaped gem having its entire surface cut with triangular facets.
[1860–65; < French, brillolette literally, little dried plum]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.