What does analemma mean?
The definition of analemma
An`a*lem”ma, n.
Etym: [L. analemma a sun dial on a pedestal, showing the latitude and meridian of a place, Gr.

1 (Chem.)
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.
2 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.
3 A scale of the sun’s declination for each day of the year, drawn across the torrid zone on an artificial terrestrial globe.