firework has definitions from the fields of work,business
[ noun ] (usually plural) a device with an explosive that burns at a low rate and with colored flames; can be used to illuminate areas or send signals etc.



[ noun ] (usually plural) an explosive device that burns with colored flames

Used in print

(Edward E. Kelly, S.J., "Christian Unity in England"...)

On my first Guy_Fawkes_Day here , I found Catholics as well as non Catholics celebrating with the traditional fireworks and bonfires , and was told that most Englishmen either do not know or are not concerned with the historical significance of the day .