aiming circle

noun

Definition of aiming circle

: an instrument for measuring horizontal and vertical angles and magnetic azimuths in determining gunnery data and laying guns and in artillery surveying

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First Known Use of aiming circle

1916, in the meaning defined above

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The first known use of aiming circle was in 1916

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Cite this Entry

“Aiming circle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aiming%20circle. Accessed 20 Jan. 2021.

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