Definition of mousseline de soie in English:

mousseline de soie

Pronunciation /ˌmuːsəliːn dɪ ˈswɑː/ /ˌmuːsliːn dɪ ˈswɑː/ /muːˌsliːn dɪ ˈswɑː/

noun

  • A thin silk fabric with a texture like that of muslin.

Origin

Mid 19th century; earliest use found in Ladies' Gazette Fashion. From French mousseline de soie from mousseline + de + soie silk.