What is the definition of Backstaff? | Dictionary.net

BACKSTAFF

\bˈakstaf], \bˈakstaf], \b_ˈa_k_s_t_a_f]\

Definitions of BACKSTAFF

1914 - Nuttall's Standard dictionary of the English language
1874 - Etymological and pronouncing dictionary of the English language
1790 - A Complete Dictionary of the English Language

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An old-fashioned quadrant.

1914 - Nuttall's Standard dictionary of the English language
By Nuttall, P.Austin.

An instrument for taking altitudes.

1874 - Etymological and pronouncing dictionary of the English language
By Stormonth, James, Phelp, P. H.

An instrument useful in taking the sun's altitude at sea.

1790 - A Complete Dictionary of the English Language
By Thomas Sheridan

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