analemma, n. [L. analemma a sun dial on a pedestal, showing the latitude and meridian of a place, Gr. 'ana`lhmma a support, or thing supported, a sun dial, fr. 'analamba`nein to take up; 'ana` + lamba`nein to take.].
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An orthographic projection of the sphere on the plane of the meridian, the eye being supposed at an infinite distance, and in the east or west point of the horizon. [1913 Webster]
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An instrument of wood or brass, on which this projection of the sphere is made, having a movable horizon or cursor; -- formerly much used in solving some common astronomical problems. [1913 Webster]
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A scale of the sun's declination for each day of the year, drawn across the torrid zone on an artificial terrestrial globe. [1913 Webster]