firework
n. countable B2 Upper Intermediate Oxford US //ˈfaɪɹˌwɝk// UK //fˈaɪəwɜːk// fire·work
n. a small object that explodes to make loud noises and bright colors in the sky. People use them to celebrate special days like New Year's Eve.
n. a device containing gunpowder and other chemicals that causes a spectacular explosion when ignited. Often used in the plural to describe a public display of pyrotechnics.
We watched a giant firework explode over the lake.
The city spent thousands of dollars on a firework display to celebrate the national holiday.
As the final firework ascended, the crowd fell silent, waiting for the thunderous boom and the subsequent shower of shimmering gold light to fill the night sky.
From fire + work.
Usage
Commonly used in the plural ('fireworks') when referring to a show or a general celebration.