aid to navigation, bell buoy, fog signal, heliograph, nod, radio beacon, sign, signal gun, signal siren, traffic light, yellow flag
Definitionn. an apparatus for visual signaling with lights or mechanically moving arms
Last update: February 20, 2017
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The show started by a welcome in semaphore by the children. [Please select]
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Indian Railways is even today sending signals by the same old semaphores. [Please select]
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Semaphore to somebody that help is needed. [Please select]
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Etymologically the word implies that the messages are written, but its earliest use was of appliances that depended on visual signals, such as the semaphore or optical telegraph of Claude Chappe. [Please select]
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A second dripping rag answered it from the semaphore in front of the Custom-House, and MacWilliams laughed nervously and shut the glass. [Please select]
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To the left of the junction the home and distant signals are doubled, there being two semaphore arms on each post. [Please select]
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Only this is as far in advance of wireless telegraphy, as telegraphy is in advance of the semaphore. [Please select]
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It is called the Semaphore system--like the semaphore block signals of railroads. [Please select]
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In the daytime the movable arms of the semaphore indicate by their horizontal, oblique, or vertical position whether the tracks are clear. [Please select]
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The men walked back to the office in grim silence, and took turns in watching with a glass the arms of the semaphore, three miles below, at the narrow opening of the bay. [Please select]
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When he received an answering wave of the arm from Ned he delightedly began sending a message by means of the well-known semaphore code. [Please select]
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