fan tracery (noun)

1. The intricate fan tracery adorning the ceilings of the cathedral created a serene and reverent atmosphere for worshipers.

2. In the fairy-tale castle, the ethereal fan tracery intertwined with delicate rose motifs, adding a touch of romance to the grand ballroom.

3. In the futuristic spaceship, the walls were adorned with holographic fan tracery, emitting a soft glow that enhanced the futuristic ambience.

4. The abandoned mansion was steeped in darkness, with eerie fan tracery that seemed to come alive, causing chills to run down the spine of anyone who dared to enter.