fire·work 
(fīrwûrk′)
(fīrwûrk′)n.
1.
a. A device consisting of a combination of explosives and combustibles, set off to generate colored lights, smoke, and noise for amusement.
b. fireworks A display of such devices.
2. fireworks
a. An exciting or spectacular display, as of musical virtuosity.
b. A display of rage or fierce contention.