coulisse /koo-lēsˈ/

1. A piece of grooved wood, eg the slides in which the side-scenes of a theatre run
2. Hence (in pl) the wings (theatre)
3. (sometimes with cap) the part of the Paris Bourse where unofficial securities are traded

• coal-fired
• coalfish
• coalfishes
• coal-flap
• coal-flaps
• coal gas
• coal gases
• coal heaver
• coal heavers
• coal hole
• coal holes
• coalhouse
• coalhouses
• coalier
• coaliest
• coaling
• coaling station
• coaling stations
• coalise
• coalised
• coalises
• coalising
• Coalite
• coalition
• coalitional