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n. pl. cas·son·ni (-nē)
A large, long, usually ornate chest, popular in Renaissance Italy and used especially to hold a bride's dowry goods or other possessions.
[Italian, from Old Italian, augmentative of cassa, box, case, from Latin capsa.]
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.
(Furniture) a highly-decorated, Italian dowry chest
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014