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Definition of: semaphore
Our photo definition of semaphore 
(sem′ə·fôr, -fōr) noun
An apparatus for making signals, as with movable arms, disks, flags, or lanterns.
—v.t. To send by semaphore. [<F sémaphore <Gk. sēma a sign + phe- rein carry]
—sem′·a·phor′ic (-fôr′ik, -for′ik) or ·i·cal adjective
a. Clear. b. Approach. c. Stop.
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