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mousseline de soie

American  
[moos-leen duh swah] / mus lin də ˈswɑ /

noun

French.

  1. a thin, stiff silk or rayon fabric.

mousseline de soie British  
/ muslin də swa /

noun

  1. a thin gauzelike fabric of silk or rayon

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of mousseline de soie

Literally, “muslin of silk”

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.