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Related to Azimuth compass: azimuth angle
|a compass resembling the mariner's compass, but having the card divided into degrees instead of rhumbs, and having vertical sights; used for taking the magnetic azimuth of a heavenly body, in order to find, by comparison with the true azimuth, the variation of the needle.|
|See under Azimuth.|
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.