/ ˈfaɪəwɜːk; NAmE ˈfaɪərwɜːrk/ noun
1.
[ C ] a small device containing powder that burns or explodes and produces bright coloured lights and loud noises, used especially at celebrations :
( BrE )
to let off a few fireworks
( NAmE )
to set off a few fireworks
a firework(s) display
2.
fireworks [ pl. ] a display of fireworks :
When do the fireworks start?
3.
fireworks [ pl. ] ( informal ) strong or angry words; exciting actions :
There'll be fireworks when he finds out!