Answer: SEMAPHORE

AnswerCrossword Clue
SEMAPHOREVisual signaling apparatus
SEMAPHORESignaling device
SEMAPHORESystem of signaling.
SEMAPHORESignal.
SEMAPHOREEngineer's guide.
SEMAPHORESignal Corps specialty.
SEMAPHORESignaling apparatus.
SEMAPHOREFlagging conversation?
SEMAPHORECommunication means at sea
SEMAPHORESignal flag
semaphoreA signal sent by semaphore
semaphoreA system of sending messages by holding the arms or two flags or poles in certain positions according to an alphabetic code
semaphorea method of signalling with flags / to signal in this way
semaphoreAn apparatus for signaling in this way, consisting of an upright with movable parts