the design and manufacture of fashionable clothes to a client’s specific requirements and measurements:designer ready-to-wear has taken over from couture as the focus of interest [as modifier]:London couture houses
fashionable made-to-measure clothes:they were dressed in size eight printed-silk couture
1920s: French, 'sewing, dressmaking'
couture in other Oxford dictionaries
Definition of couture in the US English dictionary