fire ‧ work /ˈfaɪəwɜːk $ ˈfaɪrwɜːrk/ BrE AmE noun [countable usually plural]
1 . a small container filled with powder that burns or explodes to produce coloured lights and noise in the sky:
a New Year’s Eve fireworks display
Jeff and David were in the back yard setting off fireworks.
2 . spoken used to say that someone will be angry:
There’ll be fireworks if I get home late again.
3 . something that is exciting or impressive:
The real fireworks are provided by Shakespeare’s poetry.