Definition of petit souper in US English:

petit souper

noun

  • A little supper, especially a small, informal dinner party to which only a few intimate friends are invited.

Origin

Mid 18th century; earliest use found in John Cleland (?1710–1789), novelist. From French petit souper from petit + souper.

Pronunciation

petit souper

/ˌpɛtɪ ˈsuːpeɪ/