The Collaborative International Dictionary
Semaphorist
Semaphorist \Se*maph"o*rist\, n. One who manages or operates a semaphore.
Wiktionary
semaphorist
n. One who manages or operates a semaphore.
Usage examples of "semaphorist".
They pulled away and for five minutes I behaved like a berserk semaphorist towards the passing stream of taxis.