Gimbal
Chamber's Twientieth Century Dictionary · 1908 · p. 44
gim′bal, n. a contrivance for suspending the mariner's compa , so as to keep it always horizontal. [Through Fr. from L. gemelli , twins.]
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A Dictionary of Military Terms (1918)
The American Dictionary and Cyclopedia (1910)
Webster's Condensed Dictionary- A Condensed Dictionary of the English Language (1909)
Webster's Practical Dictionary- A Practical Dictionary of the Englih Language (1884)
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