semaphore
IPA: sɪmˈæfɝ
noun
- Any equipment used for visual signalling by means of flags, lights, or mechanically moving arms, which are used to represent letters of the alphabet, or words.
- (figurative) A visual system for transmitting information using the above equipment; especially, by means of two flags held one in each hand, using an alphabetic and numeric code based on the position of the signaller's arms; flag semaphore.
- (computing) A bit, token, fragment of code, or some other mechanism which is used to restrict access to a shared function or device to a single process at a time, or to synchronize and coordinate events in different processes.
verb
- (transitive, intransitive, figurative) To signal using, or as if using, a semaphore, with the implication that it is done nonverbally.
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Examples of "semaphore" in Sentences
- Greek hydraulic semaphore system.
- Three position semaphore signals.
- British hydraulic semaphore system.
- The signalling in 1978 used to be semaphore.
- Semaphore is essentially a residential suburb.
- The semaphore is modeled as a counting semaphore.
- The signal was repeated by semaphore and searchlights.
- The semaphore can be either a non message semaphore or a message semaphore.
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