[noun] [C] - a small container filled with explosive chemicals which produce bright coloured patterns or loud noises when they explodeLarge numbers of fireworks are often (UK) let off/(US) set off (= lit) in a fireworks display to celebrate a special occasion.What time do the fireworks start?(figurative) I'd love to come to the nightclub, but my parents won't let me and there'll be fireworks (= they will be very angry) if I get home late.
FIREWORK
Meaning of FIREWORK in English
Cambridge English vocab. Кембриджский английский словарь. 2012