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semaphore
noun
- any apparatus for signaling, as the arrangement of lights, flags, and mechanical arms on railroads
- a system of signaling by the use of two flags, one held in each hand: the letters of the alphabet are represented by the various positions of the arms
- any system of signaling by semaphore
transitive verb, intransitive verb semaphored, semaphoring
to signal by semaphore
Related Forms:
- semaphoric adjective
- semaphorist noun
See semaphore in American Heritage Dictionary 4
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