What is the meaning of Coulisse?

A piece of timber having a groove in which something glides.

A fluting in a sword blade.

A side scene of the stage in a theater or the space between the side scenes.

side of a stage, dressing room beside a stage, side wing

coulisse (piece of timber)

side of a stage, dressing room

slide or rail on which a drawer or window slides

background

underslide, underslide channel

feminine singular of coulis

inflection of coulisser:

  1. first/third-person singular present indicative/subjunctive
  2. second-person singular imperative

first/third-person singular present indicative/subjunctive

second-person singular imperative

Source: wiktionary.org