Definition of morceau de musée in English:
morceau de musée
noun mɔːˌsəʊ də m(j)uːˈzeɪ
A museum piece; something of sufficient quality or rarity to be preserved in a museum.
Origin
Late 19th century; earliest use found in Henry James (1843–1916), writer. From French morceau de musée from morceau + de + musée.
Definition of morceau de musée in US English:
morceau de musée
nounmɔːˌsəʊ də m(j)uːˈzeɪ
A museum piece; something of sufficient quality or rarity to be preserved in a museum.
Origin
Late 19th century; earliest use found in Henry James (1843–1916), writer. From French morceau de musée from morceau + de + musée.