noun. an apparatus for visual signaling with lights or mechanically moving arms.
verb. convey by semaphore, of information.
verb. send signals by or as if by semaphore.
Sentences with semaphore
1. Noun, singular or mass
A semaphore works as a moving arm mounted to a mast.
2. Adjective, comparative
Some of the more notable and familiar examples of optical telecommunication systems include navigation lights, flares, semaphore communication and smoke signals.