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Look up: Semaphore


  1. semaphore
    [n] - an apparatus for visual signaling with lights or mechanically moving arms 2. [v] - send signals by or as if by semaphore 3. [v] - convey by semaphore, of information
    Found op http://www.webdictionary.co.uk/definition.php?query=semaphore

  2. semaphore
    Both an early form of digital communications and a software mechanism for arbitrating access to a shared resource to avoid contradictory states (in the sense of FSA). Software mechanism devised by Edsger Dijkstra (1930-2002).
    Found op http://www.encyclo.co.uk/visitor-contributions.php

  3. semaphore
    Visual signalling code in which the relative positions of two movable pointers or hand-held flags stand for different letters or numbers. The system is used by ships at sea...
    Found op http://www.encyclo.co.uk/local/20688

  4. semaphore
    (programming, operating system) The classic method for restricting access to shared resources (e.g. storage) in a multi-processing environment. They were invented by Dijkstra and first used in T.H.E operating system. A semaphore is a protected variable (or abstract data type) which can only be acce...
    Found op http://foldoc.org/semaphore

  5. Semaphore
    Sem'a·phore noun [ Greek sh^ma a sign + fe`rein to bear: confer French sémaphore .] A signal telegraph; an apparatus for giving signals by the disposition of lanterns, flags, oscillating arms, etc.
    Found op http://www.encyclo.co.uk/webster/S/62

  6. semaphore
    A signal telegraph; an apparatus for giving signals by the disposition of lanterns, flags, oscillating arms, etc. ... Origin: Gr. A seign + to bear: cf. F. Semaphore. ... Source: Websters Dictionary ... (01 Mar 1998) ...
    Found op http://www.mondofacto.com/facts/dictionary?semaphore

  7. semaphore
    noun an apparatus for visual signaling with lights or mechanically moving arms
    Found op http://wordnetweb.princeton.edu/perl/webwn?s=semaphore

  8. Semaphore
    • (n.) A signal telegraph; an apparatus for giving signals by the disposition of lanterns, flags, oscillating arms, etc.
    Found op http://thinkexist.com/dictionary/meaning/semaphore/



  1. semaphore
    method of visual signaling, usually by means of flags or lights. Before the invention of the telegraph, semaphore signaling from high towers was ... [5 related articles]
    Found op http://www.britannica.com/eb/a-z/s/62

  2. semaphore
    semaphore, semaphoric, semiphorical, semaphorically 1. A visual system for sending information by means of two flags that are held one in each hand, using an alphabetic code based on the position of the signaler's arms. 2. Mechanical signaling device: a signaling device for sending information over...
    Found op http://www.wordinfo.info/words/index/info/view_unit/1930/

  3. Semaphore
    mechanical signal with a moving arm.
    Found op http://www.scot-rail.co.uk/page/Glossary

  4. Semaphore
    [album] Semaphore is the second studio album by Fridge, released on 16 March 1998. ==Track listing== ...
    Found op http://en.wikipedia.org/wiki/Semaphore_(album)

  5. Semaphore
    [programming] In computer science, a semaphore is a variable or abstract data type that provides a simple but useful abstraction for controlling access by multiple processes to a common resource in a parallel programming environment. A useful way to think of a semaphore is as a record of how...
    Found op http://en.wikipedia.org/wiki/Semaphore_(programming)

  6. semaphore
    semaphore (sem'ufôr") , device for the visible transmission of messages. The marine semaphore, used by day between ships or between a ship and the shore, consists essentially of a post at the top of which are two pivoted arms. The arms are connected by light gearing to two operating le...
    Found op http://www.infoplease.com/ce6/sci/A0844376.html

  7. Semaphore
    Semaphore is a visual form of communication using flags, hence a semaphore is a device in which a flag or board may be raised or lowered so as to exhibit signals to convey information from a distance, such as old-fashioned railway signals.
    Found op http://www.probertencyclopaedia.com/browse/AS.HTM

  8. semaphore
    Visual signalling code in which the relative positions of two movable pointers or hand-held flags stand for different letters or numbers. The system is used by ships at sea and for railway signals
    Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0009410.html

  9. semaphore
    1) Apparatus 2) Communication means at sea 3) Flagging conversation? 4) Setup 5) Signal flag 6) Visual form of communication using flags
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/semaphore/1

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