MERIDIAN

n. Mear-i"d'ia-aan. Fr.. meridien. Ger., M. A great circle drawn from pole to pole on the surface of a spherical body (especially the earth) and pa ing through a given point, of which it is said to be the m. [a, 48.] Magnetic m. Ger., magnet is che M. A m. pa ing through the place of observation in the direction indicated by the magnetic needle, [a. 48.] Principal m's of the eye. Fr., meridiem principaux. Ger., Hauptmeridiane. The m's of the cornea that have the greatest and least curvature. [F.] [s. 754]