plotting board
Americannoun
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Navigation. a transparent table on a ship, used as a plotting sheet.
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Military. a device based on a map or other scale representation of a region against which artillery fire is to be directed, for use in directing artillery fire against a fixed or moving target.
Etymology
Origin of plotting board
First recorded in 1900–05
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Bill’s position was to handle the early-warning plotting board.
From Washington Post ● Oct. 23, 2021
These reports, usually passed on to the Air Force through the Air Defense Command's Ground Observer Corps, merely went on the UFO plotting board as a statistic.
From The Report on Unidentified Flying Objects by Edward J. Ruppelt
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