Definition of coulisse in English:

coulisse

Pronunciation /ko͞oˈlēs/ /kuˈlis/

noun

  • 1A flat piece of scenery at the side of the stage in a theater.

    stage set, set, flats, backdrop, drop curtain
    1. 1.1the coulissesThe spaces between pieces of flat scenery on a stage or in a theater; the wings.

Origin

Early 19th century French, feminine of coulis ‘sliding’, based on Latin colare ‘to flow’.