Ān'a-lēm'mā, n.

n. [Lat. anælemma, a sun-dial on a pedestal, showing the latitude and meridian of a place; Gr. ἀνάλημμα, a support, or thing supported, from ἀναλαμβάνειν, to take up, from ἀνά, up, and λαμβάνειν, to take.]

1. (Geom.) A projection of the sphere on the plane of the meridian, orthographically made by straight lines, circles, and ellipses, the eye being supposed at an infinite distance, and in the east or west points of the horizon.
2. An instrument of wood or brass, on which this projection of the sphere is made, and having a horizon fitted to it;—formerly much used in solving astronomical problems, such as finding the time of the sun’s rising and setting, the length and hour of the day, &c.
3. A tabular mark, usually in the shape of the figure 8, depicted across the torrid zone on an artificial terrestrial globe, to notify the sun’s declination on any day in the year. Francis.