southing

• POS: Noun
• HYPHEN: south=ing

CIDE DICTIONARY

southing, n. 

•  Tendency or progress southward; as, the southing of the sun.  Emerson.  [1913 Webster]
•  The time at which the moon, or other heavenly body, passes the meridian of a place.  [1913 Webster]
•  Distance of any heavenly body south of the equator; south declination; south latitude.  [1913 Webster]
•  Distance southward from any point departure or of reckoning, measured on a meridian; -- opposed to northing.  [1913 Webster]

OXFORD DICTIONARY

southing, n.
1 a southern movement.
2 Naut. the distance travelled or measured southward.
3 Astron. the angular distance of a star etc. south of the celestial equator.