Home › Words › S › semaphoristsemaphoristsemaphorist · noun — someone who controls or operates a semaphore.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, semaphorist ranks #12,286 of 43,053 for Qualifying.EtymologyFrom semaphore + -ist.nounSomeone who controls or operates a semaphore.Definitions & examples from Wiktionary (CC BY-SA 3.0).