Definition of porte-bouquet in English:
porte-bouquet
noun ˌpɔːt bʊˈkeɪˌpɔːt bəʊˈkeɪ
A receptacle for holding a bouquet.
Origin
Mid 19th century; earliest use found in Charlotte Schreiber (1812–1895), translator, businesswoman, and collector. From French porte-bouquet from porte- + bouquet.