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Lightweight, full-length pants with very wide legs, typically worn by women.
[From palazzo in palazzo pajamas, an outfit consisting of a loose, flowing blouse and wide flaring pants (coined in 1960 by Diana Vreeland after the Palazzo Pitti, a Renaissance palazzo in Florence, Italy, where Russian-Georgian aristocrat and fashion designer Princess Irene Galitzine (1916-2006) staged fashion shows and first introduced such an outfit, and probably also after the Palazzo Pucci, a Renaissance palace in Florence and family home of Italian aristocrat and fashion designer Emilio Pucci (1914-1992), in which he operated his atelier and produced innovative designs influencing Galitzine).]
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.
(Clothing & Fashion) women's trousers with very wide legs
[C20: palazzo from Italian, literally: palace]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014