Definition of matinée musicale in US English:

matinée musicale

noun

  • A musical entertainment given in the morning.

Origin

Early 19th century; earliest use found in Harmonicon. From French matinée musicale from matinée + musicale, feminine of musical.

Pronunciation

matinée musicale

/ˈmatɪneɪ ˌmjuːzɪˈkal/