n. 1. Tendency or progress southward; as, the southing of the sun. Emerson. [ 1913 Webster ]

2. The time at which the moon, or other heavenly body, passes the meridian of a place. [ 1913 Webster ]

3. (Astron.) Distance of any heavenly body south of the equator; south declination; south latitude. [ 1913 Webster ]

4. (Surv. & Navigation) Distance southward from any point departure or of reckoning, measured on a meridian; -- opposed to northing. [ 1913 Webster ]