Home › Words › F › fireworkerfireworkerfireworker means A person in charge of the operation of a gun.Among words judged in Lexicurio's Arena, fireworker ranks #12,429 of 42,762 for Qualifying.EtymologyFrom fire + worker.nounA person in charge of the operation of a gun.A person who creates firework displays.Definitions & examples from Wiktionary (CC BY-SA 3.0).