lightshow

noun
UK /ˈlaɪtʃəʊ/
US /ˈlaɪtʃoʊ/

A lightshow is a fun display where many colorful lights shine and move together.

We watched an amazing lightshow at the concert last night.


OTHER MEANINGS

2. A synchronized presentation of lights set to music at a concert or festival.

The band's lightshow matched every beat of the song.

3. A decorative lighting event, such as holiday lights on buildings or trees.

The city puts on a lightshow in the park every December.

4. A laser or projection display used for entertainment at clubs or events.

The DJ turned off the lights and started a laser lightshow.